1390331315

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{563}}^1\times {\mathrm{1709}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 1776498480

約数和(自身を除く): 386167165

約数列:

[1, 5, 17, 85, 289, 563, 1445, 1709, 2815, 8545, 9571, 29053, 47855, 145265, 162707, 493901, 813535, 962167, 2469505, 4810835, 16356839, 81784195, 278066263, 1390331315]

約数ペア:

[(1, 1390331315), (5, 278066263), (17, 81784195), (85, 16356839), (289, 4810835), (563, 2469505), (1445, 962167), (1709, 813535), (2815, 493901), (8545, 162707), (9571, 145265), (29053, 47855)]