201819985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1\times {\mathrm{757}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 246246912

約数和(自身を除く): 44426927

約数列:

[1, 5, 71, 355, 751, 757, 3755, 3785, 53321, 53747, 266605, 268735, 568507, 2842535, 40363997, 201819985]

約数ペア:

[(1, 201819985), (5, 40363997), (71, 2842535), (355, 568507), (751, 268735), (757, 266605), (3755, 53747), (3785, 53321)]