1285191590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1810129}}^1$

素因数の和:1810207

約数の個数: 16

約数和(自身を含む): 2345928480

約数和(自身を除く): 1060736890

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1810129, 3620258, 9050645, 18101290, 128519159, 257038318, 642595795, 1285191590]

約数ペア:

[(1, 1285191590), (2, 642595795), (5, 257038318), (10, 128519159), (71, 18101290), (142, 9050645), (355, 3620258), (710, 1810129)]