28194415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 35955360

約数和(自身を除く): 7760945

約数列:

[1, 5, 17, 85, 409, 811, 2045, 4055, 6953, 13787, 34765, 68935, 331699, 1658495, 5638883, 28194415]

約数ペア:

[(1, 28194415), (5, 5638883), (17, 1658495), (85, 331699), (409, 68935), (811, 34765), (2045, 13787), (4055, 6953)]