218457031

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{991}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 243539968

約数和(自身を除く): 25082937

約数列:

[1, 13, 31, 403, 547, 991, 7111, 12883, 16957, 30721, 220441, 399373, 542077, 7047001, 16804387, 218457031]

約数ペア:

[(1, 218457031), (13, 16804387), (31, 7047001), (403, 542077), (547, 399373), (991, 220441), (7111, 30721), (12883, 16957)]