64378730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{495221}}^1$

素因数の和:495241

約数の個数: 16

約数和(自身を含む): 124795944

約数和(自身を除く): 60417214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 495221, 990442, 2476105, 4952210, 6437873, 12875746, 32189365, 64378730]

約数ペア:

[(1, 64378730), (2, 32189365), (5, 12875746), (10, 6437873), (13, 4952210), (26, 2476105), (65, 990442), (130, 495221)]