1989825410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2802571}}^1$

素因数の和:2802649

約数の個数: 16

約数和(自身を含む): 3632133312

約数和(自身を除く): 1642307902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2802571, 5605142, 14012855, 28025710, 198982541, 397965082, 994912705, 1989825410]

約数ペア:

[(1, 1989825410), (2, 994912705), (5, 397965082), (10, 198982541), (71, 28025710), (142, 14012855), (355, 5605142), (710, 2802571)]