81079444

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{4021}}^1$

素因数の和:4167

約数の個数: 18

約数和(自身を含む): 143951402

約数和(自身を除く): 62871958

約数列:

[1, 2, 4, 71, 142, 284, 4021, 5041, 8042, 10082, 16084, 20164, 285491, 570982, 1141964, 20269861, 40539722, 81079444]

約数ペア:

[(1, 81079444), (2, 40539722), (4, 20269861), (71, 1141964), (142, 570982), (284, 285491), (4021, 20164), (5041, 16084), (8042, 10082)]