200971588

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139177}}^1$

素因数の和:139219

約数の個数: 18

約数和(自身を含む): 371187726

約数和(自身を除く): 170216138

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139177, 278354, 556708, 2644363, 5288726, 10577452, 50242897, 100485794, 200971588]

約数ペア:

[(1, 200971588), (2, 100485794), (4, 50242897), (19, 10577452), (38, 5288726), (76, 2644363), (361, 556708), (722, 278354), (1444, 139177)]