161900816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131413}}^1$

素因数の和:131439

約数の個数: 40

約数和(自身を含む): 391088064

約数和(自身を除く): 229187248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 131413, 262826, 525652, 919891, 1051304, 1445543, 1839782, 2102608, 2891086, 3679564, 5782172, 7359128, 10118801, 11564344, 14718256, 20237602, 23128688, 40475204, 80950408, 161900816]

約数ペア:

[(1, 161900816), (2, 80950408), (4, 40475204), (7, 23128688), (8, 20237602), (11, 14718256), (14, 11564344), (16, 10118801), (22, 7359128), (28, 5782172), (44, 3679564), (56, 2891086), (77, 2102608), (88, 1839782), (112, 1445543), (154, 1051304), (176, 919891), (308, 525652), (616, 262826), (1232, 131413)]