217960381

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{1039}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 234707200

約数和(自身を除く): 16746819

約数列:

[1, 19, 61, 181, 1039, 1159, 3439, 11041, 19741, 63379, 188059, 209779, 1204201, 3573121, 11471599, 217960381]

約数ペア:

[(1, 217960381), (19, 11471599), (61, 3573121), (181, 1204201), (1039, 209779), (1159, 188059), (3439, 63379), (11041, 19741)]