161781738

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{3847}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 333206016

約数和(自身を除く): 171424278

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 489, 978, 3847, 7009, 7694, 11541, 14018, 21027, 23082, 42054, 165421, 330842, 496263, 627061, 992526, 1254122, 1881183, 3762366, 26963623, 53927246, 80890869, 161781738]

約数ペア:

[(1, 161781738), (2, 80890869), (3, 53927246), (6, 26963623), (43, 3762366), (86, 1881183), (129, 1254122), (163, 992526), (258, 627061), (326, 496263), (489, 330842), (978, 165421), (3847, 42054), (7009, 23082), (7694, 21027), (11541, 14018)]