208972415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{6011}}^1$

素因数の和:6442

約数の個数: 16

約数和(自身を含む): 266211360

約数和(自身を除く): 57238945

約数列:

[1, 5, 17, 85, 409, 2045, 6011, 6953, 30055, 34765, 102187, 510935, 2458499, 12292495, 41794483, 208972415]

約数ペア:

[(1, 208972415), (5, 41794483), (17, 12292495), (85, 2458499), (409, 510935), (2045, 102187), (6011, 34765), (6953, 30055)]