39910507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 53061120

約数和(自身を除く): 13150613

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 563, 779, 1729, 3731, 3941, 5453, 7319, 10127, 10697, 23083, 51233, 70889, 74879, 139061, 161581, 300079, 438577, 973427, 2100553, 3070039, 5701501, 39910507]

約数ペア:

[(1, 39910507), (7, 5701501), (13, 3070039), (19, 2100553), (41, 973427), (91, 438577), (133, 300079), (247, 161581), (287, 139061), (533, 74879), (563, 70889), (779, 51233), (1729, 23083), (3731, 10697), (3941, 10127), (5453, 7319)]