231569390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{4021}}^1$

素因数の和:4484

約数の個数: 32

約数和(自身を含む): 450013536

約数和(自身を除く): 218444146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 2215, 4021, 4430, 5759, 8042, 11518, 20105, 28795, 40210, 52273, 57590, 104546, 261365, 522730, 1781303, 3562606, 8906515, 17813030, 23156939, 46313878, 115784695, 231569390]

約数ペア:

[(1, 231569390), (2, 115784695), (5, 46313878), (10, 23156939), (13, 17813030), (26, 8906515), (65, 3562606), (130, 1781303), (443, 522730), (886, 261365), (2215, 104546), (4021, 57590), (4430, 52273), (5759, 40210), (8042, 28795), (11518, 20105)]