28940825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 8556775

約数列:

[1, 5, 25, 31, 107, 155, 349, 535, 775, 1745, 2675, 3317, 8725, 10819, 16585, 37343, 54095, 82925, 186715, 270475, 933575, 1157633, 5788165, 28940825]

約数ペア:

[(1, 28940825), (5, 5788165), (25, 1157633), (31, 933575), (107, 270475), (155, 186715), (349, 82925), (535, 54095), (775, 37343), (1745, 16585), (2675, 10819), (3317, 8725)]