212939095

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 258733440

約数和(自身を除く): 45794345

約数列:

[1, 5, 107, 535, 619, 643, 3095, 3215, 66233, 68801, 331165, 344005, 398017, 1990085, 42587819, 212939095]

約数ペア:

[(1, 212939095), (5, 42587819), (107, 1990085), (535, 398017), (619, 344005), (643, 331165), (3095, 68801), (3215, 66233)]