390100945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139571}}^1$

素因数の和:139632

約数の個数: 16

約数和(自身を含む): 515858112

約数和(自身を除く): 125757167

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 139571, 697855, 1814423, 6001553, 9072115, 30007765, 78020189, 390100945]

約数ペア:

[(1, 390100945), (5, 78020189), (13, 30007765), (43, 9072115), (65, 6001553), (215, 1814423), (559, 697855), (2795, 139571)]