28970305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63671}}^1$

素因数の和:63696

約数の個数: 16

約数和(自身を含む): 42787584

約数和(自身を除く): 13817279

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63671, 318355, 445697, 827723, 2228485, 4138615, 5794061, 28970305]

約数ペア:

[(1, 28970305), (5, 5794061), (7, 4138615), (13, 2228485), (35, 827723), (65, 445697), (91, 318355), (455, 63671)]