28873325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 39117288

約数和(自身を除く): 10243963

約数列:

[1, 5, 13, 25, 65, 73, 325, 365, 949, 1217, 1825, 4745, 6085, 15821, 23725, 30425, 79105, 88841, 395525, 444205, 1154933, 2221025, 5774665, 28873325]

約数ペア:

[(1, 28873325), (5, 5774665), (13, 2221025), (25, 1154933), (65, 444205), (73, 395525), (325, 88841), (365, 79105), (949, 30425), (1217, 23725), (1825, 15821), (4745, 6085)]