11815765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 16662240

約数和(自身を除く): 4846475

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 289, 481, 629, 1105, 1445, 2405, 3145, 3757, 4913, 8177, 10693, 18785, 24565, 40885, 53465, 63869, 139009, 181781, 319345, 695045, 908905, 2363153, 11815765]

約数ペア:

[(1, 11815765), (5, 2363153), (13, 908905), (17, 695045), (37, 319345), (65, 181781), (85, 139009), (185, 63869), (221, 53465), (289, 40885), (481, 24565), (629, 18785), (1105, 10693), (1445, 8177), (2405, 4913), (3145, 3757)]