81198122

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{3853}}^1$

素因数の和:4153

約数の個数: 16

約数和(自身を含む): 125285832

約数和(自身を除く): 44087710

約数列:

[1, 2, 41, 82, 257, 514, 3853, 7706, 10537, 21074, 157973, 315946, 990221, 1980442, 40599061, 81198122]

約数ペア:

[(1, 81198122), (2, 40599061), (41, 1980442), (82, 990221), (257, 315946), (514, 157973), (3853, 21074), (7706, 10537)]