1290522286

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{21067}}^1$

素因数の和:21459

約数の個数: 16

約数和(自身を含む): 1960588080

約数和(自身を除く): 670065794

約数列:

[1, 2, 109, 218, 281, 562, 21067, 30629, 42134, 61258, 2296303, 4592606, 5919827, 11839654, 645261143, 1290522286]

約数ペア:

[(1, 1290522286), (2, 645261143), (109, 11839654), (218, 5919827), (281, 4592606), (562, 2296303), (21067, 61258), (30629, 42134)]