28238675

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 8425645

約数列:

[1, 5, 25, 31, 83, 155, 415, 439, 775, 2075, 2195, 2573, 10975, 12865, 13609, 36437, 64325, 68045, 182185, 340225, 910925, 1129547, 5647735, 28238675]

約数ペア:

[(1, 28238675), (5, 5647735), (25, 1129547), (31, 910925), (83, 340225), (155, 182185), (415, 68045), (439, 64325), (775, 36437), (2075, 13609), (2195, 12865), (2573, 10975)]