90538889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20563}}^1$

素因数の和:20624

約数の個数: 16

約数和(自身を含む): 112526208

約数和(自身を除く): 21987319

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 20563, 143941, 349571, 760831, 2446997, 5325817, 12934127, 90538889]

約数ペア:

[(1, 90538889), (7, 12934127), (17, 5325817), (37, 2446997), (119, 760831), (259, 349571), (629, 143941), (4403, 20563)]