25390276

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 45594360

約数和(自身を除く): 20204084

約数列:

[1, 2, 4, 73, 89, 146, 178, 292, 356, 977, 1954, 3908, 6497, 12994, 25988, 71321, 86953, 142642, 173906, 285284, 347812, 6347569, 12695138, 25390276]

約数ペア:

[(1, 25390276), (2, 12695138), (4, 6347569), (73, 347812), (89, 285284), (146, 173906), (178, 142642), (292, 86953), (356, 71321), (977, 25988), (1954, 12994), (3908, 6497)]