28425365

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 8830315

約数列:

[1, 5, 29, 43, 47, 97, 145, 215, 235, 485, 1247, 1363, 2021, 2813, 4171, 4559, 6235, 6815, 10105, 14065, 20855, 22795, 58609, 120959, 132211, 196037, 293045, 604795, 661055, 980185, 5685073, 28425365]

約数ペア:

[(1, 28425365), (5, 5685073), (29, 980185), (43, 661055), (47, 604795), (97, 293045), (145, 196037), (215, 132211), (235, 120959), (485, 58609), (1247, 22795), (1363, 20855), (2021, 14065), (2813, 10105), (4171, 6815), (4559, 6235)]