991850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 24

約数和(自身を含む): 1874880

約数和(自身を除く): 883030

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 239, 415, 478, 830, 1195, 2075, 2390, 4150, 5975, 11950, 19837, 39674, 99185, 198370, 495925, 991850]

約数ペア:

[(1, 991850), (2, 495925), (5, 198370), (10, 99185), (25, 39674), (50, 19837), (83, 11950), (166, 5975), (239, 4150), (415, 2390), (478, 2075), (830, 1195)]