64965290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2957}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 126720720

約数和(自身を除く): 61755430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 2957, 4394, 5914, 10985, 14785, 21970, 29570, 38441, 76882, 192205, 384410, 499733, 999466, 2498665, 4997330, 6496529, 12993058, 32482645, 64965290]

約数ペア:

[(1, 64965290), (2, 32482645), (5, 12993058), (10, 6496529), (13, 4997330), (26, 2498665), (65, 999466), (130, 499733), (169, 384410), (338, 192205), (845, 76882), (1690, 38441), (2197, 29570), (2957, 21970), (4394, 14785), (5914, 10985)]