201778126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{398771}}^1$

素因数の和:398807

約数の個数: 16

約数和(自身を含む): 344539008

約数和(自身を除く): 142760882

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 398771, 797542, 4386481, 8772962, 9171733, 18343466, 100889063, 201778126]

約数ペア:

[(1, 201778126), (2, 100889063), (11, 18343466), (22, 9171733), (23, 8772962), (46, 4386481), (253, 797542), (506, 398771)]