318143545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{28909}}^1$

素因数の和:29016

約数の個数: 16

約数和(自身を含む): 399651840

約数和(自身を除く): 81508295

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 28909, 144545, 896179, 2052539, 4480895, 10262695, 63628709, 318143545]

約数ペア:

[(1, 318143545), (5, 63628709), (31, 10262695), (71, 4480895), (155, 2052539), (355, 896179), (2201, 144545), (11005, 28909)]