216973991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{538397}}^1$

素因数の和:538441

約数の個数: 8

約数和(自身を含む): 241202304

約数和(自身を除く): 24228313

約数列:

[1, 13, 31, 403, 538397, 6999161, 16690307, 216973991]

約数ペア:

[(1, 216973991), (13, 16690307), (31, 6999161), (403, 538397)]