64438270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{495679}}^1$

素因数の和:495699

約数の個数: 16

約数和(自身を含む): 124911360

約数和(自身を除く): 60473090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 495679, 991358, 2478395, 4956790, 6443827, 12887654, 32219135, 64438270]

約数ペア:

[(1, 64438270), (2, 32219135), (5, 12887654), (10, 6443827), (13, 4956790), (26, 2478395), (65, 991358), (130, 495679)]