28298088

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 96166980

約数和(自身を除く): 67868892

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 294, 312, 364, 392, 441, 468, 504, 546, 588, 617, 637, 728, 819, 882, 936, 1092, 1176, 1234, 1274, 1638, 1764, 1851, 1911, 2184, 2468, 2548, 3276, 3528, 3702, 3822, 4319, 4936, 5096, 5553, 5733, 6552, 7404, 7644, 8021, 8638, 11106, 11466, 12957, 14808, 15288, 16042, 17276, 22212, 22932, 24063, 25914, 30233, 32084, 34552, 38871, 44424, 45864, 48126, 51828, 56147, 60466, 64168, 72189, 77742, 90699, 96252, 103656, 112294, 120932, 144378, 155484, 168441, 181398, 192504, 224588, 241864, 272097, 288756, 310968, 336882, 362796, 393029, 449176, 505323, 544194, 577512, 673764, 725592, 786058, 1010646, 1088388, 1179087, 1347528, 1572116, 2021292, 2176776, 2358174, 3144232, 3537261, 4042584, 4716348, 7074522, 9432696, 14149044, 28298088]

約数ペア:

[(1, 28298088), (2, 14149044), (3, 9432696), (4, 7074522), (6, 4716348), (7, 4042584), (8, 3537261), (9, 3144232), (12, 2358174), (13, 2176776), (14, 2021292), (18, 1572116), (21, 1347528), (24, 1179087), (26, 1088388), (28, 1010646), (36, 786058), (39, 725592), (42, 673764), (49, 577512), (52, 544194), (56, 505323), (63, 449176), (72, 393029), (78, 362796), (84, 336882), (91, 310968), (98, 288756), (104, 272097), (117, 241864), (126, 224588), (147, 192504), (156, 181398), (168, 168441), (182, 155484), (196, 144378), (234, 120932), (252, 112294), (273, 103656), (294, 96252), (312, 90699), (364, 77742), (392, 72189), (441, 64168), (468, 60466), (504, 56147), (546, 51828), (588, 48126), (617, 45864), (637, 44424), (728, 38871), (819, 34552), (882, 32084), (936, 30233), (1092, 25914), (1176, 24063), (1234, 22932), (1274, 22212), (1638, 17276), (1764, 16042), (1851, 15288), (1911, 14808), (2184, 12957), (2468, 11466), (2548, 11106), (3276, 8638), (3528, 8021), (3702, 7644), (3822, 7404), (4319, 6552), (4936, 5733), (5096, 5553)]