31231885

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 38678832

約数和(自身を除く): 7446947

約数列:

[1, 5, 37, 185, 401, 421, 2005, 2105, 14837, 15577, 74185, 77885, 168821, 844105, 6246377, 31231885]

約数ペア:

[(1, 31231885), (5, 6246377), (37, 844105), (185, 168821), (401, 77885), (421, 74185), (2005, 15577), (2105, 14837)]