868785664

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 1810169856

約数和(自身を除く): 941384192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 431, 496, 508, 512, 862, 992, 1016, 1724, 1984, 2032, 3448, 3937, 3968, 4064, 6896, 7874, 7936, 8128, 13361, 13792, 15748, 15872, 16256, 26722, 27584, 31496, 32512, 53444, 54737, 55168, 62992, 65024, 106888, 109474, 110336, 125984, 213776, 218948, 220672, 251968, 427552, 437896, 503936, 855104, 875792, 1007872, 1696847, 1710208, 1751584, 2015744, 3393694, 3420416, 3503168, 6787388, 6840832, 7006336, 13574776, 14012672, 27149552, 28025344, 54299104, 108598208, 217196416, 434392832, 868785664]

約数ペア:

[(1, 868785664), (2, 434392832), (4, 217196416), (8, 108598208), (16, 54299104), (31, 28025344), (32, 27149552), (62, 14012672), (64, 13574776), (124, 7006336), (127, 6840832), (128, 6787388), (248, 3503168), (254, 3420416), (256, 3393694), (431, 2015744), (496, 1751584), (508, 1710208), (512, 1696847), (862, 1007872), (992, 875792), (1016, 855104), (1724, 503936), (1984, 437896), (2032, 427552), (3448, 251968), (3937, 220672), (3968, 218948), (4064, 213776), (6896, 125984), (7874, 110336), (7936, 109474), (8128, 106888), (13361, 65024), (13792, 62992), (15748, 55168), (15872, 54737), (16256, 53444), (26722, 32512), (27584, 31496)]