261800638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{18859}}^1$

素因数の和:19503

約数の個数: 16

約数和(自身を含む): 429102720

約数和(自身を除く): 167302082

約数列:

[1, 2, 11, 22, 631, 1262, 6941, 13882, 18859, 37718, 207449, 414898, 11900029, 23800058, 130900319, 261800638]

約数ペア:

[(1, 261800638), (2, 130900319), (11, 23800058), (22, 11900029), (631, 414898), (1262, 207449), (6941, 37718), (13882, 18859)]