64870468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1247509}}^1$

素因数の和:1247526

約数の個数: 12

約数和(自身を含む): 122255980

約数和(自身を除く): 57385512

約数列:

[1, 2, 4, 13, 26, 52, 1247509, 2495018, 4990036, 16217617, 32435234, 64870468]

約数ペア:

[(1, 64870468), (2, 32435234), (4, 16217617), (13, 4990036), (26, 2495018), (52, 1247509)]