81607724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1766

約数の個数: 36

約数和(自身を含む): 158597712

約数和(自身を除く): 76989988

約数列:

[1, 2, 4, 11, 22, 44, 103, 121, 206, 242, 412, 484, 1133, 1637, 2266, 3274, 4532, 6548, 12463, 18007, 24926, 36014, 49852, 72028, 168611, 198077, 337222, 396154, 674444, 792308, 1854721, 3709442, 7418884, 20401931, 40803862, 81607724]

約数ペア:

[(1, 81607724), (2, 40803862), (4, 20401931), (11, 7418884), (22, 3709442), (44, 1854721), (103, 792308), (121, 674444), (206, 396154), (242, 337222), (412, 198077), (484, 168611), (1133, 72028), (1637, 49852), (2266, 36014), (3274, 24926), (4532, 18007), (6548, 12463)]