161990388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 495456640

約数和(自身を除く): 333466252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 97, 108, 126, 141, 188, 189, 194, 252, 282, 291, 329, 378, 388, 423, 564, 582, 658, 679, 756, 846, 873, 987, 1164, 1269, 1316, 1358, 1692, 1746, 1974, 2037, 2209, 2538, 2619, 2716, 2961, 3492, 3948, 4074, 4418, 4559, 5076, 5238, 5922, 6111, 6627, 8148, 8836, 8883, 9118, 10476, 11844, 12222, 13254, 13677, 15463, 17766, 18236, 18333, 19881, 24444, 26508, 27354, 30926, 31913, 35532, 36666, 39762, 41031, 46389, 54708, 59643, 61852, 63826, 73332, 79524, 82062, 92778, 95739, 119286, 123093, 127652, 139167, 164124, 185556, 191478, 214273, 238572, 246186, 278334, 287217, 382956, 417501, 428546, 492372, 556668, 574434, 642819, 835002, 857092, 861651, 1148868, 1285638, 1499911, 1670004, 1723302, 1928457, 2571276, 2999822, 3446604, 3856914, 4499733, 5785371, 5999644, 7713828, 8999466, 11570742, 13499199, 17998932, 23141484, 26998398, 40497597, 53996796, 80995194, 161990388]

約数ペア:

[(1, 161990388), (2, 80995194), (3, 53996796), (4, 40497597), (6, 26998398), (7, 23141484), (9, 17998932), (12, 13499199), (14, 11570742), (18, 8999466), (21, 7713828), (27, 5999644), (28, 5785371), (36, 4499733), (42, 3856914), (47, 3446604), (54, 2999822), (63, 2571276), (84, 1928457), (94, 1723302), (97, 1670004), (108, 1499911), (126, 1285638), (141, 1148868), (188, 861651), (189, 857092), (194, 835002), (252, 642819), (282, 574434), (291, 556668), (329, 492372), (378, 428546), (388, 417501), (423, 382956), (564, 287217), (582, 278334), (658, 246186), (679, 238572), (756, 214273), (846, 191478), (873, 185556), (987, 164124), (1164, 139167), (1269, 127652), (1316, 123093), (1358, 119286), (1692, 95739), (1746, 92778), (1974, 82062), (2037, 79524), (2209, 73332), (2538, 63826), (2619, 61852), (2716, 59643), (2961, 54708), (3492, 46389), (3948, 41031), (4074, 39762), (4418, 36666), (4559, 35532), (5076, 31913), (5238, 30926), (5922, 27354), (6111, 26508), (6627, 24444), (8148, 19881), (8836, 18333), (8883, 18236), (9118, 17766), (10476, 15463), (11844, 13677), (12222, 13254)]