28170785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10691}}^1$

素因数の和:10744

約数の個数: 16

約数和(自身を含む): 36951552

約数和(自身を除く): 8780767

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 10691, 53455, 181747, 331421, 908735, 1657105, 5634157, 28170785]

約数ペア:

[(1, 28170785), (5, 5634157), (17, 1657105), (31, 908735), (85, 331421), (155, 181747), (527, 53455), (2635, 10691)]