28974205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 39883752

約数和(自身を除く): 10909547

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2017, 2873, 10085, 14365, 26221, 34289, 131105, 171445, 340873, 445757, 1704365, 2228785, 5794841, 28974205]

約数ペア:

[(1, 28974205), (5, 5794841), (13, 2228785), (17, 1704365), (65, 445757), (85, 340873), (169, 171445), (221, 131105), (845, 34289), (1105, 26221), (2017, 14365), (2873, 10085)]