28321345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8221}}^1$

素因数の和:8292

約数の個数: 16

約数和(自身を含む): 37294992

約数和(自身を除く): 8973647

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 8221, 41105, 106873, 435713, 534365, 2178565, 5664269, 28321345]

約数ペア:

[(1, 28321345), (5, 5664269), (13, 2178565), (53, 534365), (65, 435713), (265, 106873), (689, 41105), (3445, 8221)]