28709135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63097}}^1$

素因数の和:63122

約数の個数: 16

約数和(自身を含む): 42401856

約数和(自身を除く): 13692721

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63097, 315485, 441679, 820261, 2208395, 4101305, 5741827, 28709135]

約数ペア:

[(1, 28709135), (5, 5741827), (7, 4101305), (13, 2208395), (35, 820261), (65, 441679), (91, 315485), (455, 63097)]