108639215

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{3889}}^1$

素因数の和:4082

約数の個数: 16

約数和(自身を含む): 134811840

約数和(自身を除く): 26172625

約数列:

[1, 5, 37, 151, 185, 755, 3889, 5587, 19445, 27935, 143893, 587239, 719465, 2936195, 21727843, 108639215]

約数ペア:

[(1, 108639215), (5, 21727843), (37, 2936195), (151, 719465), (185, 587239), (755, 143893), (3889, 27935), (5587, 19445)]