218494802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{77867}}^1$

素因数の和:77953

約数の個数: 16

約数和(自身を含む): 347602752

約数和(自身を除く): 129107950

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 77867, 155734, 1790941, 3581882, 4749887, 9499774, 109247401, 218494802]

約数ペア:

[(1, 218494802), (2, 109247401), (23, 9499774), (46, 4749887), (61, 3581882), (122, 1790941), (1403, 155734), (2806, 77867)]