1289273806

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{245389}}^1$

素因数の和:245499

約数の個数: 16

約数和(自身を含む): 2014161120

約数和(自身を除く): 724887314

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 245389, 490778, 9079393, 17422619, 18158786, 34845238, 644636903, 1289273806]

約数ペア:

[(1, 1289273806), (2, 644636903), (37, 34845238), (71, 18158786), (74, 17422619), (142, 9079393), (2627, 490778), (5254, 245389)]