249904325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{82613}}^1$

素因数の和:82645

約数の個数: 18

約数和(自身を含む): 340617522

約数和(自身を除く): 90713197

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 82613, 413065, 908743, 2065325, 4543715, 9996173, 22718575, 49980865, 249904325]

約数ペア:

[(1, 249904325), (5, 49980865), (11, 22718575), (25, 9996173), (55, 4543715), (121, 2065325), (275, 908743), (605, 413065), (3025, 82613)]