128521310

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{40543}}^1$

素因数の和:40867

約数の個数: 16

約数和(自身を含む): 232073856

約数和(自身を除く): 103552546

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 40543, 81086, 202715, 405430, 12852131, 25704262, 64260655, 128521310]

約数ペア:

[(1, 128521310), (2, 64260655), (5, 25704262), (10, 12852131), (317, 405430), (634, 202715), (1585, 81086), (3170, 40543)]