28836890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32401}}^1$

素因数の和:32497

約数の個数: 16

約数和(自身を含む): 52491240

約数和(自身を除く): 23654350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32401, 64802, 162005, 324010, 2883689, 5767378, 14418445, 28836890]

約数ペア:

[(1, 28836890), (2, 14418445), (5, 5767378), (10, 2883689), (89, 324010), (178, 162005), (445, 64802), (890, 32401)]