89921855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8171}}^1$

素因数の和:8278

約数の個数: 16

約数和(自身を含む): 112969728

約数和(自身を除く): 23047873

約数列:

[1, 5, 31, 71, 155, 355, 2201, 8171, 11005, 40855, 253301, 580141, 1266505, 2900705, 17984371, 89921855]

約数ペア:

[(1, 89921855), (5, 17984371), (31, 2900705), (71, 1266505), (155, 580141), (355, 253301), (2201, 40855), (8171, 11005)]