215518691

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2161}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 236090400

約数和(自身を除く): 20571709

約数列:

[1, 19, 29, 181, 551, 2161, 3439, 5249, 41059, 62669, 99731, 391141, 1190711, 7431679, 11343089, 215518691]

約数ペア:

[(1, 215518691), (19, 11343089), (29, 7431679), (181, 1190711), (551, 391141), (2161, 99731), (3439, 62669), (5249, 41059)]