390876421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{2347}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 440221824

約数和(自身を除く): 49345403

約数列:

[1, 13, 23, 299, 557, 2347, 7241, 12811, 30511, 53981, 166543, 701753, 1307279, 16994627, 30067417, 390876421]

約数ペア:

[(1, 390876421), (13, 30067417), (23, 16994627), (299, 1307279), (557, 701753), (2347, 166543), (7241, 53981), (12811, 30511)]