64903985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2377}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 80357376

約数和(自身を除く): 15453391

約数列:

[1, 5, 43, 127, 215, 635, 2377, 5461, 11885, 27305, 102211, 301879, 511055, 1509395, 12980797, 64903985]

約数ペア:

[(1, 64903985), (5, 12980797), (43, 1509395), (127, 511055), (215, 301879), (635, 102211), (2377, 27305), (5461, 11885)]