81127628

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1847}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 144883200

約数和(自身を除く): 63755572

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 1847, 3694, 7388, 10981, 21962, 43924, 145913, 256733, 291826, 513466, 583652, 1026932, 20281907, 40563814, 81127628]

約数ペア:

[(1, 81127628), (2, 40563814), (4, 20281907), (79, 1026932), (139, 583652), (158, 513466), (278, 291826), (316, 256733), (556, 145913), (1847, 43924), (3694, 21962), (7388, 10981)]