28712290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32261}}^1$

素因数の和:32357

約数の個数: 16

約数和(自身を含む): 52264440

約数和(自身を除く): 23552150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32261, 64522, 161305, 322610, 2871229, 5742458, 14356145, 28712290]

約数ペア:

[(1, 28712290), (2, 14356145), (5, 5742458), (10, 2871229), (89, 322610), (178, 161305), (445, 64522), (890, 32261)]