217006988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{4013}}^1$

素因数の和:5257

約数の個数: 24

約数和(自身を含む): 414726480

約数和(自身を除く): 197719492

約数列:

[1, 2, 4, 11, 22, 44, 1229, 2458, 4013, 4916, 8026, 13519, 16052, 27038, 44143, 54076, 88286, 176572, 4931977, 9863954, 19727908, 54251747, 108503494, 217006988]

約数ペア:

[(1, 217006988), (2, 108503494), (4, 54251747), (11, 19727908), (22, 9863954), (44, 4931977), (1229, 176572), (2458, 88286), (4013, 54076), (4916, 44143), (8026, 27038), (13519, 16052)]