28851490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{77977}}^1$

素因数の和:78021

約数の個数: 16

約数和(自身を含む): 53336952

約数和(自身を除く): 24485462

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 77977, 155954, 389885, 779770, 2885149, 5770298, 14425745, 28851490]

約数ペア:

[(1, 28851490), (2, 14425745), (5, 5770298), (10, 2885149), (37, 779770), (74, 389885), (185, 155954), (370, 77977)]