90245605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{24691}}^1$

素因数の和:24756

約数の個数: 16

約数和(自身を含む): 117336384

約数和(自身を除く): 27090779

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 24691, 123455, 419747, 1061713, 2098735, 5308565, 18049121, 90245605]

約数ペア:

[(1, 90245605), (5, 18049121), (17, 5308565), (43, 2098735), (85, 1061713), (215, 419747), (731, 123455), (3655, 24691)]