399876655

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{12253}}^1$

素因数の和:12426

約数の個数: 16

約数和(自身を含む): 492316704

約数和(自身を除く): 92440049

約数列:

[1, 5, 61, 107, 305, 535, 6527, 12253, 32635, 61265, 747433, 1311071, 3737165, 6555355, 79975331, 399876655]

約数ペア:

[(1, 399876655), (5, 79975331), (61, 6555355), (107, 3737165), (305, 1311071), (535, 747433), (6527, 61265), (12253, 32635)]