13398716

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 24024000

約数和(自身を除く): 10625284

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 389, 436, 778, 1556, 8611, 17222, 30731, 34444, 42401, 61462, 84802, 122924, 169604, 3349679, 6699358, 13398716]

約数ペア:

[(1, 13398716), (2, 6699358), (4, 3349679), (79, 169604), (109, 122924), (158, 84802), (218, 61462), (316, 42401), (389, 34444), (436, 30731), (778, 17222), (1556, 8611)]