81736402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 136857600

約数和(自身を除く): 55121198

約数列:

[1, 2, 11, 22, 79, 131, 158, 262, 359, 718, 869, 1441, 1738, 2882, 3949, 7898, 10349, 20698, 28361, 47029, 56722, 94058, 113839, 227678, 311971, 517319, 623942, 1034638, 3715291, 7430582, 40868201, 81736402]

約数ペア:

[(1, 81736402), (2, 40868201), (11, 7430582), (22, 3715291), (79, 1034638), (131, 623942), (158, 517319), (262, 311971), (359, 227678), (718, 113839), (869, 94058), (1441, 56722), (1738, 47029), (2882, 28361), (3949, 20698), (7898, 10349)]