215978999

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 233604000

約数和(自身を除く): 17625001

約数列:

[1, 17, 59, 349, 617, 1003, 5933, 10489, 20591, 36403, 215333, 350047, 618851, 3660661, 12704647, 215978999]

約数ペア:

[(1, 215978999), (17, 12704647), (59, 3660661), (349, 618851), (617, 350047), (1003, 215333), (5933, 36403), (10489, 20591)]