28783225

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{37}}^2$

素因数の和:142

約数の個数: 27

約数和(自身を含む): 37990407

約数和(自身を除く): 9207182

約数列:

[1, 5, 25, 29, 37, 145, 185, 725, 841, 925, 1073, 1369, 4205, 5365, 6845, 21025, 26825, 31117, 34225, 39701, 155585, 198505, 777925, 992525, 1151329, 5756645, 28783225]

約数ペア:

[(1, 28783225), (5, 5756645), (25, 1151329), (29, 992525), (37, 777925), (145, 198505), (185, 155585), (725, 39701), (841, 34225), (925, 31117), (1073, 26825), (1369, 21025), (4205, 6845)]