258652009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 332513280

約数和(自身を除く): 73861271

約数列:

[1, 7, 11, 43, 77, 191, 301, 409, 473, 1337, 2101, 2863, 3311, 4499, 8213, 14707, 17587, 31493, 57491, 78119, 90343, 123109, 193457, 546833, 632401, 859309, 1354199, 3359117, 6015163, 23513819, 36950287, 258652009]

約数ペア:

[(1, 258652009), (7, 36950287), (11, 23513819), (43, 6015163), (77, 3359117), (191, 1354199), (301, 859309), (409, 632401), (473, 546833), (1337, 193457), (2101, 123109), (2863, 90343), (3311, 78119), (4499, 57491), (8213, 31493), (14707, 17587)]