128656696

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 292423680

約数和(自身を除く): 163766984

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 434, 518, 868, 1036, 1147, 1736, 2003, 2072, 2294, 4006, 4588, 8012, 8029, 9176, 14021, 16024, 16058, 28042, 32116, 56084, 62093, 64232, 74111, 112168, 124186, 148222, 248372, 296444, 434651, 496744, 518777, 592888, 869302, 1037554, 1738604, 2075108, 2297441, 3477208, 4150216, 4594882, 9189764, 16082087, 18379528, 32164174, 64328348, 128656696]

約数ペア:

[(1, 128656696), (2, 64328348), (4, 32164174), (7, 18379528), (8, 16082087), (14, 9189764), (28, 4594882), (31, 4150216), (37, 3477208), (56, 2297441), (62, 2075108), (74, 1738604), (124, 1037554), (148, 869302), (217, 592888), (248, 518777), (259, 496744), (296, 434651), (434, 296444), (518, 248372), (868, 148222), (1036, 124186), (1147, 112168), (1736, 74111), (2003, 64232), (2072, 62093), (2294, 56084), (4006, 32116), (4588, 28042), (8012, 16058), (8029, 16024), (9176, 14021)]