64724816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311177}}^1$

素因数の和:311198

約数の個数: 20

約数和(自身を含む): 135051252

約数和(自身を除く): 70326436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311177, 622354, 1244708, 2489416, 4045301, 4978832, 8090602, 16181204, 32362408, 64724816]

約数ペア:

[(1, 64724816), (2, 32362408), (4, 16181204), (8, 8090602), (13, 4978832), (16, 4045301), (26, 2489416), (52, 1244708), (104, 622354), (208, 311177)]