81210290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1160147}}^1$

素因数の和:1160161

約数の個数: 16

約数和(自身を含む): 167061312

約数和(自身を除く): 85851022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1160147, 2320294, 5800735, 8121029, 11601470, 16242058, 40605145, 81210290]

約数ペア:

[(1, 81210290), (2, 40605145), (5, 16242058), (7, 11601470), (10, 8121029), (14, 5800735), (35, 2320294), (70, 1160147)]