81039910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1157713}}^1$

素因数の和:1157727

約数の個数: 16

約数和(自身を含む): 166710816

約数和(自身を除く): 85670906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1157713, 2315426, 5788565, 8103991, 11577130, 16207982, 40519955, 81039910]

約数ペア:

[(1, 81039910), (2, 40519955), (5, 16207982), (7, 11577130), (10, 8103991), (14, 5788565), (35, 2315426), (70, 1157713)]