64550870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{881}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 123451776

約数和(自身を除く): 58900906

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 431, 862, 881, 1762, 2155, 4310, 4405, 7327, 8810, 14654, 14977, 29954, 36635, 73270, 74885, 149770, 379711, 759422, 1898555, 3797110, 6455087, 12910174, 32275435, 64550870]

約数ペア:

[(1, 64550870), (2, 32275435), (5, 12910174), (10, 6455087), (17, 3797110), (34, 1898555), (85, 759422), (170, 379711), (431, 149770), (862, 74885), (881, 73270), (1762, 36635), (2155, 29954), (4310, 14977), (4405, 14654), (7327, 8810)]