199980385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{13417}}^1$

素因数の和:13704

約数の個数: 16

約数和(自身を含む): 262778112

約数和(自身を除く): 62797727

約数列:

[1, 5, 11, 55, 271, 1355, 2981, 13417, 14905, 67085, 147587, 737935, 3636007, 18180035, 39996077, 199980385]

約数ペア:

[(1, 199980385), (5, 39996077), (11, 18180035), (55, 3636007), (271, 737935), (1355, 147587), (2981, 67085), (13417, 14905)]