68682205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 87381504

約数和(自身を除く): 18699299

約数列:

[1, 5, 31, 71, 79, 155, 355, 395, 2201, 2449, 5609, 6241, 11005, 12245, 28045, 31205, 173879, 193471, 443111, 869395, 967355, 2215555, 13736441, 68682205]

約数ペア:

[(1, 68682205), (5, 13736441), (31, 2215555), (71, 967355), (79, 869395), (155, 443111), (355, 193471), (395, 173879), (2201, 31205), (2449, 28045), (5609, 12245), (6241, 11005)]