817838221198

素因数分解:

$2^1\times {\mathrm{10223}}^1\times {\mathrm{39999913}}^1$

素因数の和:40010138

約数の個数: 8

約数和(自身を含む): 1226877362208

約数和(自身を除く): 409039141010

約数列:

[1, 2, 10223, 20446, 39999913, 79999826, 408919110599, 817838221198]

約数ペア:

[(1, 817838221198), (2, 408919110599), (10223, 79999826), (20446, 39999913)]