2815390370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21656849}}^1$

素因数の和:21656869

約数の個数: 16

約数和(自身を含む): 5457526200

約数和(自身を除く): 2642135830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21656849, 43313698, 108284245, 216568490, 281539037, 563078074, 1407695185, 2815390370]

約数ペア:

[(1, 2815390370), (2, 1407695185), (5, 563078074), (10, 281539037), (13, 216568490), (26, 108284245), (65, 43313698), (130, 21656849)]