28428010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218677}}^1$

素因数の和:218697

約数の個数: 16

約数和(自身を含む): 55106856

約数和(自身を除く): 26678846

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218677, 437354, 1093385, 2186770, 2842801, 5685602, 14214005, 28428010]

約数ペア:

[(1, 28428010), (2, 14214005), (5, 5685602), (10, 2842801), (13, 2186770), (26, 1093385), (65, 437354), (130, 218677)]