130631858

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{405689}}^1$

素因数の和:405721

約数の個数: 16

約数和(自身を含む): 233677440

約数和(自身を除く): 103045582

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 405689, 811378, 2839823, 5679646, 9330847, 18661694, 65315929, 130631858]

約数ペア:

[(1, 130631858), (2, 65315929), (7, 18661694), (14, 9330847), (23, 5679646), (46, 2839823), (161, 811378), (322, 405689)]