161211385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{3727}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 199164672

約数和(自身を除く): 37953287

約数列:

[1, 5, 41, 205, 211, 1055, 3727, 8651, 18635, 43255, 152807, 764035, 786397, 3931985, 32242277, 161211385]

約数ペア:

[(1, 161211385), (5, 32242277), (41, 3931985), (205, 786397), (211, 764035), (1055, 152807), (3727, 43255), (8651, 18635)]