640925605

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{7121}}^1$

素因数の和:7556

約数の個数: 16

約数和(自身を含む): 787636224

約数和(自身を除く): 146710619

約数列:

[1, 5, 47, 235, 383, 1915, 7121, 18001, 35605, 90005, 334687, 1673435, 2727343, 13636715, 128185121, 640925605]

約数ペア:

[(1, 640925605), (5, 128185121), (47, 13636715), (235, 2727343), (383, 1673435), (1915, 334687), (7121, 90005), (18001, 35605)]