31105490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239273}}^1$

素因数の和:239293

約数の個数: 16

約数和(自身を含む): 60297048

約数和(自身を除く): 29191558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239273, 478546, 1196365, 2392730, 3110549, 6221098, 15552745, 31105490]

約数ペア:

[(1, 31105490), (2, 15552745), (5, 6221098), (10, 3110549), (13, 2392730), (26, 1196365), (65, 478546), (130, 239273)]