28751125

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{1361}}^1$

素因数の和:1402

約数の個数: 24

約数和(自身を含む): 38882376

約数和(自身を除く): 10131251

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 845, 1361, 1625, 4225, 6805, 17693, 21125, 34025, 88465, 170125, 230009, 442325, 1150045, 2211625, 5750225, 28751125]

約数ペア:

[(1, 28751125), (5, 5750225), (13, 2211625), (25, 1150045), (65, 442325), (125, 230009), (169, 170125), (325, 88465), (845, 34025), (1361, 21125), (1625, 17693), (4225, 6805)]