7977385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 11031552

約数和(自身を除く): 3054167

約数列:

[1, 5, 13, 31, 37, 65, 107, 155, 185, 403, 481, 535, 1147, 1391, 2015, 2405, 3317, 3959, 5735, 6955, 14911, 16585, 19795, 43121, 51467, 74555, 122729, 215605, 257335, 613645, 1595477, 7977385]

約数ペア:

[(1, 7977385), (5, 1595477), (13, 613645), (31, 257335), (37, 215605), (65, 122729), (107, 74555), (155, 51467), (185, 43121), (403, 19795), (481, 16585), (535, 14911), (1147, 6955), (1391, 5735), (2015, 3959), (2405, 3317)]