221446108

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{327583}}^1$

素因数の和:327613

約数の個数: 18

約数和(自身を含む): 419635104

約数和(自身を除く): 198188996

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 327583, 655166, 1310332, 4258579, 8517158, 17034316, 55361527, 110723054, 221446108]

約数ペア:

[(1, 221446108), (2, 110723054), (4, 55361527), (13, 17034316), (26, 8517158), (52, 4258579), (169, 1310332), (338, 655166), (676, 327583)]