28218463

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 36516480

約数和(自身を除く): 8298017

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1429, 1519, 2821, 10003, 18577, 19747, 44299, 70021, 130039, 310093, 575887, 910273, 2170651, 4031209, 28218463]

約数ペア:

[(1, 28218463), (7, 4031209), (13, 2170651), (31, 910273), (49, 575887), (91, 310093), (217, 130039), (403, 70021), (637, 44299), (1429, 19747), (1519, 18577), (2821, 10003)]