28698910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 53125632

約数和(自身を除く): 24426722

約数列:

[1, 2, 5, 10, 71, 83, 142, 166, 355, 415, 487, 710, 830, 974, 2435, 4870, 5893, 11786, 29465, 34577, 40421, 58930, 69154, 80842, 172885, 202105, 345770, 404210, 2869891, 5739782, 14349455, 28698910]

約数ペア:

[(1, 28698910), (2, 14349455), (5, 5739782), (10, 2869891), (71, 404210), (83, 345770), (142, 202105), (166, 172885), (355, 80842), (415, 69154), (487, 58930), (710, 40421), (830, 34577), (974, 29465), (2435, 11786), (4870, 5893)]