257549487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{58441}}^1$

素因数の和:58570

約数の個数: 16

約数和(自身を含む): 373093728

約数和(自身を除く): 115544241

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 58441, 175323, 759733, 2279199, 6603833, 19811499, 85849829, 257549487]

約数ペア:

[(1, 257549487), (3, 85849829), (13, 19811499), (39, 6603833), (113, 2279199), (339, 759733), (1469, 175323), (4407, 58441)]