81228295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41549}}^1$

素因数の和:41594

約数の個数: 16

約数和(自身を含む): 107697600

約数和(自身を除く): 26469305

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 41549, 207745, 706333, 955627, 3531665, 4778135, 16245659, 81228295]

約数ペア:

[(1, 81228295), (5, 16245659), (17, 4778135), (23, 3531665), (85, 955627), (115, 706333), (391, 207745), (1955, 41549)]