28778820532

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1839

約数の個数: 216

約数和(自身を含む): 69886691784

約数和(自身を除く): 41107871252

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 41, 44, 49, 68, 77, 82, 98, 119, 121, 154, 164, 187, 196, 238, 242, 287, 308, 374, 451, 476, 484, 539, 574, 697, 748, 833, 847, 902, 1078, 1148, 1309, 1394, 1666, 1694, 1741, 1804, 2009, 2057, 2156, 2618, 2788, 3157, 3332, 3388, 3482, 4018, 4114, 4879, 4961, 5236, 5929, 6314, 6964, 7667, 8036, 8228, 9163, 9758, 9922, 11858, 12187, 12628, 14399, 15334, 18326, 19151, 19516, 19844, 22099, 23716, 24374, 28798, 29597, 30668, 34153, 34727, 36652, 38302, 44198, 48748, 53669, 57596, 59194, 68306, 69454, 71381, 76604, 84337, 85309, 88396, 100793, 107338, 118388, 134057, 136612, 138908, 142762, 168674, 170618, 201586, 207179, 210661, 214676, 243089, 268114, 285524, 325567, 337348, 341236, 375683, 403172, 414358, 421322, 486178, 499667, 536228, 590359, 651134, 751366, 785191, 828716, 842644, 938399, 972356, 999334, 1180718, 1213477, 1302268, 1450253, 1474627, 1502732, 1570382, 1876798, 1998668, 2278969, 2361436, 2426954, 2900506, 2949254, 3140764, 3497669, 3581237, 3753596, 4132513, 4557938, 4853908, 5496337, 5801012, 5898508, 6995338, 7162474, 8265026, 8494339, 8637101, 9115876, 10322389, 10992674, 13348247, 13990676, 14324948, 15952783, 16530052, 16988678, 17274202, 20644778, 21985348, 25068659, 26696494, 31905566, 33977356, 34548404, 38474359, 41289556, 50137318, 53392988, 59460373, 60459707, 63811132, 76948718, 93437729, 100274636, 118920746, 120919414, 146830717, 153897436, 175480613, 186875458, 237841492, 241838828, 293661434, 350961226, 373750916, 423217949, 587322868, 654064103, 701922452, 846435898, 1027815019, 1308128206, 1692871796, 2055630038, 2616256412, 4111260076, 7194705133, 14389410266, 28778820532]

約数ペア:

[(1, 28778820532), (2, 14389410266), (4, 7194705133), (7, 4111260076), (11, 2616256412), (14, 2055630038), (17, 1692871796), (22, 1308128206), (28, 1027815019), (34, 846435898), (41, 701922452), (44, 654064103), (49, 587322868), (68, 423217949), (77, 373750916), (82, 350961226), (98, 293661434), (119, 241838828), (121, 237841492), (154, 186875458), (164, 175480613), (187, 153897436), (196, 146830717), (238, 120919414), (242, 118920746), (287, 100274636), (308, 93437729), (374, 76948718), (451, 63811132), (476, 60459707), (484, 59460373), (539, 53392988), (574, 50137318), (697, 41289556), (748, 38474359), (833, 34548404), (847, 33977356), (902, 31905566), (1078, 26696494), (1148, 25068659), (1309, 21985348), (1394, 20644778), (1666, 17274202), (1694, 16988678), (1741, 16530052), (1804, 15952783), (2009, 14324948), (2057, 13990676), (2156, 13348247), (2618, 10992674), (2788, 10322389), (3157, 9115876), (3332, 8637101), (3388, 8494339), (3482, 8265026), (4018, 7162474), (4114, 6995338), (4879, 5898508), (4961, 5801012), (5236, 5496337), (5929, 4853908), (6314, 4557938), (6964, 4132513), (7667, 3753596), (8036, 3581237), (8228, 3497669), (9163, 3140764), (9758, 2949254), (9922, 2900506), (11858, 2426954), (12187, 2361436), (12628, 2278969), (14399, 1998668), (15334, 1876798), (18326, 1570382), (19151, 1502732), (19516, 1474627), (19844, 1450253), (22099, 1302268), (23716, 1213477), (24374, 1180718), (28798, 999334), (29597, 972356), (30668, 938399), (34153, 842644), (34727, 828716), (36652, 785191), (38302, 751366), (44198, 651134), (48748, 590359), (53669, 536228), (57596, 499667), (59194, 486178), (68306, 421322), (69454, 414358), (71381, 403172), (76604, 375683), (84337, 341236), (85309, 337348), (88396, 325567), (100793, 285524), (107338, 268114), (118388, 243089), (134057, 214676), (136612, 210661), (138908, 207179), (142762, 201586), (168674, 170618)]