645205296

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{220357}}^1$

素因数の和:220429

約数の個数: 40

約数和(自身を含む): 1694112304

約数和(自身を除く): 1048907008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 220357, 440714, 661071, 881428, 1322142, 1762856, 2644284, 3525712, 5288568, 10577136, 13441777, 26883554, 40325331, 53767108, 80650662, 107534216, 161301324, 215068432, 322602648, 645205296]

約数ペア:

[(1, 645205296), (2, 322602648), (3, 215068432), (4, 161301324), (6, 107534216), (8, 80650662), (12, 53767108), (16, 40325331), (24, 26883554), (48, 13441777), (61, 10577136), (122, 5288568), (183, 3525712), (244, 2644284), (366, 1762856), (488, 1322142), (732, 881428), (976, 661071), (1464, 440714), (2928, 220357)]