257445535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{9377}}^1$

素因数の和:9435

約数の個数: 24

約数和(自身を含む): 345485520

約数和(自身を除く): 88039985

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 1445, 1615, 5491, 9377, 27455, 46885, 159409, 178163, 797045, 890815, 2709953, 3028771, 13549765, 15143855, 51489107, 257445535]

約数ペア:

[(1, 257445535), (5, 51489107), (17, 15143855), (19, 13549765), (85, 3028771), (95, 2709953), (289, 890815), (323, 797045), (1445, 178163), (1615, 159409), (5491, 46885), (9377, 27455)]