487341790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{87181}}^1$

素因数の和:87244

約数の個数: 32

約数和(自身を含む): 966674016

約数和(自身を除く): 479332226

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 87181, 174362, 435905, 871810, 1133353, 2266706, 3748783, 5666765, 7497566, 11333530, 18743915, 37487830, 48734179, 97468358, 243670895, 487341790]

約数ペア:

[(1, 487341790), (2, 243670895), (5, 97468358), (10, 48734179), (13, 37487830), (26, 18743915), (43, 11333530), (65, 7497566), (86, 5666765), (130, 3748783), (215, 2266706), (430, 1133353), (559, 871810), (1118, 435905), (2795, 174362), (5590, 87181)]