66897665

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{839}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 82736640

約数和(自身を除く): 15838975

約数列:

[1, 5, 37, 185, 431, 839, 2155, 4195, 15947, 31043, 79735, 155215, 361609, 1808045, 13379533, 66897665]

約数ペア:

[(1, 66897665), (5, 13379533), (37, 1808045), (185, 361609), (431, 155215), (839, 79735), (2155, 31043), (4195, 15947)]