399421562

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{107777}}^1$

素因数の和:107905

約数の個数: 16

約数和(自身を含む): 640201320

約数和(自身を除く): 240779758

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 107777, 215554, 1832209, 3664418, 11747693, 23495386, 199710781, 399421562]

約数ペア:

[(1, 399421562), (2, 199710781), (17, 23495386), (34, 11747693), (109, 3664418), (218, 1832209), (1853, 215554), (3706, 107777)]