256331374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{10259}}^1$

素因数の和:10336

約数の個数: 24

約数和(自身を含む): 427903560

約数和(自身を除く): 171572186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 10259, 12493, 20518, 24986, 133367, 266734, 318029, 636058, 4134377, 8268754, 9858899, 19717798, 128165687, 256331374]

約数ペア:

[(1, 256331374), (2, 128165687), (13, 19717798), (26, 9858899), (31, 8268754), (62, 4134377), (403, 636058), (806, 318029), (961, 266734), (1922, 133367), (10259, 24986), (12493, 20518)]