7638865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 10838016

約数和(自身を除く): 3199151

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 223, 403, 527, 1105, 1115, 2015, 2635, 2899, 3791, 6851, 6913, 14495, 18955, 34255, 34565, 49283, 89869, 117521, 246415, 449345, 587605, 1527773, 7638865]

約数ペア:

[(1, 7638865), (5, 1527773), (13, 587605), (17, 449345), (31, 246415), (65, 117521), (85, 89869), (155, 49283), (221, 34565), (223, 34255), (403, 18955), (527, 14495), (1105, 6913), (1115, 6851), (2015, 3791), (2635, 2899)]