1999971310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2816861}}^1$

素因数の和:2816939

約数の個数: 16

約数和(自身を含む): 3650653152

約数和(自身を除く): 1650681842

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2816861, 5633722, 14084305, 28168610, 199997131, 399994262, 999985655, 1999971310]

約数ペア:

[(1, 1999971310), (2, 999985655), (5, 399994262), (10, 199997131), (71, 28168610), (142, 14084305), (355, 5633722), (710, 2816861)]