257466385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{27059}}^1$

素因数の和:27248

約数の個数: 16

約数和(自身を含む): 339007680

約数和(自身を除く): 81541295

約数列:

[1, 5, 11, 55, 173, 865, 1903, 9515, 27059, 135295, 297649, 1488245, 4681207, 23406035, 51493277, 257466385]

約数ペア:

[(1, 257466385), (5, 51493277), (11, 23406035), (55, 4681207), (173, 1488245), (865, 297649), (1903, 135295), (9515, 27059)]