647236416

素因数分解:

$2^6\times 3^1\times {\mathrm{131}}^1\times {\mathrm{25733}}^1$

素因数の和:25879

約数の個数: 56

約数和(自身を含む): 1725619104

約数和(自身を除く): 1078382688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 131, 192, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 4192, 6288, 8384, 12576, 25152, 25733, 51466, 77199, 102932, 154398, 205864, 308796, 411728, 617592, 823456, 1235184, 1646912, 2470368, 3371023, 4940736, 6742046, 10113069, 13484092, 20226138, 26968184, 40452276, 53936368, 80904552, 107872736, 161809104, 215745472, 323618208, 647236416]

約数ペア:

[(1, 647236416), (2, 323618208), (3, 215745472), (4, 161809104), (6, 107872736), (8, 80904552), (12, 53936368), (16, 40452276), (24, 26968184), (32, 20226138), (48, 13484092), (64, 10113069), (96, 6742046), (131, 4940736), (192, 3371023), (262, 2470368), (393, 1646912), (524, 1235184), (786, 823456), (1048, 617592), (1572, 411728), (2096, 308796), (3144, 205864), (4192, 154398), (6288, 102932), (8384, 77199), (12576, 51466), (25152, 25733)]