28211656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33996344

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 359, 376, 418, 517, 718, 836, 893, 1034, 1436, 1672, 1786, 2068, 2872, 3572, 3949, 4136, 6821, 7144, 7898, 9823, 13642, 15796, 16873, 19646, 27284, 31592, 33746, 39292, 54568, 67492, 75031, 78584, 134984, 150062, 185603, 300124, 320587, 371206, 600248, 641174, 742412, 1282348, 1484824, 2564696, 3526457, 7052914, 14105828, 28211656]

約数ペア:

[(1, 28211656), (2, 14105828), (4, 7052914), (8, 3526457), (11, 2564696), (19, 1484824), (22, 1282348), (38, 742412), (44, 641174), (47, 600248), (76, 371206), (88, 320587), (94, 300124), (152, 185603), (188, 150062), (209, 134984), (359, 78584), (376, 75031), (418, 67492), (517, 54568), (718, 39292), (836, 33746), (893, 31592), (1034, 27284), (1436, 19646), (1672, 16873), (1786, 15796), (2068, 13642), (2872, 9823), (3572, 7898), (3949, 7144), (4136, 6821)]