86681390

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{66169}}^1$

素因数の和:66307

約数の個数: 16

約数和(自身を含む): 157219920

約数和(自身を除く): 70538530

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 66169, 132338, 330845, 661690, 8668139, 17336278, 43340695, 86681390]

約数ペア:

[(1, 86681390), (2, 43340695), (5, 17336278), (10, 8668139), (131, 661690), (262, 330845), (655, 132338), (1310, 66169)]