47640775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 74550784

約数和(自身を除く): 26910009

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 487, 559, 1075, 1505, 2275, 2435, 2795, 3409, 3913, 6331, 7525, 12175, 13975, 17045, 19565, 20941, 31655, 44317, 85225, 97825, 104705, 146587, 158275, 221585, 272233, 523525, 732935, 1107925, 1361165, 1905631, 3664675, 6805825, 9528155, 47640775]

約数ペア:

[(1, 47640775), (5, 9528155), (7, 6805825), (13, 3664675), (25, 1905631), (35, 1361165), (43, 1107925), (65, 732935), (91, 523525), (175, 272233), (215, 221585), (301, 158275), (325, 146587), (455, 104705), (487, 97825), (559, 85225), (1075, 44317), (1505, 31655), (2275, 20941), (2435, 19565), (2795, 17045), (3409, 13975), (3913, 12175), (6331, 7525)]