28079155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25411}}^1$

素因数の和:25446

約数の個数: 16

約数和(自身を含む): 38422944

約数和(自身を除く): 10343789

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 25411, 127055, 330343, 431987, 1651715, 2159935, 5615831, 28079155]

約数ペア:

[(1, 28079155), (5, 5615831), (13, 2159935), (17, 1651715), (65, 431987), (85, 330343), (221, 127055), (1105, 25411)]