81340742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{252611}}^1$

素因数の和:252643

約数の個数: 16

約数和(自身を含む): 145504512

約数和(自身を除く): 64163770

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 252611, 505222, 1768277, 3536554, 5810053, 11620106, 40670371, 81340742]

約数ペア:

[(1, 81340742), (2, 40670371), (7, 11620106), (14, 5810053), (23, 3536554), (46, 1768277), (161, 505222), (322, 252611)]