258587

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 16

約数和(自身を含む): 326592

約数和(自身を除く): 68005

約数列:

[1, 7, 17, 41, 53, 119, 287, 371, 697, 901, 2173, 4879, 6307, 15211, 36941, 258587]

約数ペア:

[(1, 258587), (7, 36941), (17, 15211), (41, 6307), (53, 4879), (119, 2173), (287, 901), (371, 697)]