628778507

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1693}}^1\times {\mathrm{3121}}^1$

素因数の和:4838

約数の個数: 16

約数和(自身を含む): 761568192

約数和(自身を除く): 132789685

約数列:

[1, 7, 17, 119, 1693, 3121, 11851, 21847, 28781, 53057, 201467, 371399, 5283853, 36986971, 89825501, 628778507]

約数ペア:

[(1, 628778507), (7, 89825501), (17, 36986971), (119, 5283853), (1693, 371399), (3121, 201467), (11851, 53057), (21847, 28781)]