68338825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 87492416

約数和(自身を除く): 19153591

約数列:

[1, 5, 25, 43, 151, 215, 421, 755, 1075, 2105, 3775, 6493, 10525, 18103, 32465, 63571, 90515, 162325, 317855, 452575, 1589275, 2733553, 13667765, 68338825]

約数ペア:

[(1, 68338825), (5, 13667765), (25, 2733553), (43, 1589275), (151, 452575), (215, 317855), (421, 162325), (755, 90515), (1075, 63571), (2105, 32465), (3775, 18103), (6493, 10525)]