81729718

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{253819}}^1$

素因数の和:253851

約数の個数: 16

約数和(自身を含む): 146200320

約数和(自身を除く): 64470602

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 253819, 507638, 1776733, 3553466, 5837837, 11675674, 40864859, 81729718]

約数ペア:

[(1, 81729718), (2, 40864859), (7, 11675674), (14, 5837837), (23, 3553466), (46, 1776733), (161, 507638), (322, 253819)]