28870325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 39298080

約数和(自身を除く): 10427755

約数列:

[1, 5, 11, 25, 55, 275, 277, 379, 1385, 1895, 3047, 4169, 6925, 9475, 15235, 20845, 76175, 104225, 104983, 524915, 1154813, 2624575, 5774065, 28870325]

約数ペア:

[(1, 28870325), (5, 5774065), (11, 2624575), (25, 1154813), (55, 524915), (275, 104983), (277, 104225), (379, 76175), (1385, 20845), (1895, 15235), (3047, 9475), (4169, 6925)]