198705475

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{193859}}^1$

素因数の和:193910

約数の個数: 12

約数和(自身を含む): 252405720

約数和(自身を除く): 53700245

約数列:

[1, 5, 25, 41, 205, 1025, 193859, 969295, 4846475, 7948219, 39741095, 198705475]

約数ペア:

[(1, 198705475), (5, 39741095), (25, 7948219), (41, 4846475), (205, 969295), (1025, 193859)]