81253436

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{167879}}^1$

素因数の和:167905

約数の個数: 18

約数和(自身を含む): 156296280

約数和(自身を除く): 75042844

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 167879, 335758, 671516, 1846669, 3693338, 7386676, 20313359, 40626718, 81253436]

約数ペア:

[(1, 81253436), (2, 40626718), (4, 20313359), (11, 7386676), (22, 3693338), (44, 1846669), (121, 671516), (242, 335758), (484, 167879)]