408325628

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{10007}}^1$

素因数の和:10213

約数の個数: 18

約数和(自身を含む): 721786968

約数和(自身を除く): 313461340

約数列:

[1, 2, 4, 101, 202, 404, 10007, 10201, 20014, 20402, 40028, 40804, 1010707, 2021414, 4042828, 102081407, 204162814, 408325628]

約数ペア:

[(1, 408325628), (2, 204162814), (4, 102081407), (101, 4042828), (202, 2021414), (404, 1010707), (10007, 40804), (10201, 40028), (20014, 20402)]