398889431

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3134

約数の個数: 16

約数和(自身を含む): 424544256

約数和(自身を除く): 25654825

約数列:

[1, 31, 61, 71, 1891, 2201, 2971, 4331, 92101, 134261, 181231, 210941, 5618161, 6539171, 12867401, 398889431]

約数ペア:

[(1, 398889431), (31, 12867401), (61, 6539171), (71, 5618161), (1891, 210941), (2201, 181231), (2971, 134261), (4331, 92101)]