218920141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{1877}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 249879168

約数和(自身を除く): 30959027

約数列:

[1, 11, 23, 253, 461, 1877, 5071, 10603, 20647, 43171, 116633, 474881, 865297, 9518267, 19901831, 218920141]

約数ペア:

[(1, 218920141), (11, 19901831), (23, 9518267), (253, 865297), (461, 474881), (1877, 116633), (5071, 43171), (10603, 20647)]