78808895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 107965440

約数和(自身を除く): 29156545

約数列:

[1, 5, 11, 43, 47, 55, 215, 235, 473, 517, 709, 2021, 2365, 2585, 3545, 7799, 10105, 22231, 30487, 33323, 38995, 111155, 152435, 166615, 335357, 366553, 1432889, 1676785, 1832765, 7164445, 15761779, 78808895]

約数ペア:

[(1, 78808895), (5, 15761779), (11, 7164445), (43, 1832765), (47, 1676785), (55, 1432889), (215, 366553), (235, 335357), (473, 166615), (517, 152435), (709, 111155), (2021, 38995), (2365, 33323), (2585, 30487), (3545, 22231), (7799, 10105)]