257596274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25339}}^1$

素因数の和:25394

約数の個数: 32

約数和(自身を含む): 459768960

約数和(自身を除く): 202172686

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 5083, 10166, 25339, 50678, 329407, 430763, 582797, 658814, 861526, 1165594, 5599919, 7576361, 9907549, 11199838, 15152722, 19815098, 128798137, 257596274]

約数ペア:

[(1, 257596274), (2, 128798137), (13, 19815098), (17, 15152722), (23, 11199838), (26, 9907549), (34, 7576361), (46, 5599919), (221, 1165594), (299, 861526), (391, 658814), (442, 582797), (598, 430763), (782, 329407), (5083, 50678), (10166, 25339)]