28705265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14683}}^1$

素因数の和:14728

約数の個数: 16

約数和(自身を含む): 38060928

約数和(自身を除く): 9355663

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 14683, 73415, 249611, 337709, 1248055, 1688545, 5741053, 28705265]

約数ペア:

[(1, 28705265), (5, 5741053), (17, 1688545), (23, 1248055), (85, 337709), (115, 249611), (391, 73415), (1955, 14683)]