198968995

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 241532928

約数和(自身を除く): 42563933

約数列:

[1, 5, 127, 431, 635, 727, 2155, 3635, 54737, 92329, 273685, 313337, 461645, 1566685, 39793799, 198968995]

約数ペア:

[(1, 198968995), (5, 39793799), (127, 1566685), (431, 461645), (635, 313337), (727, 273685), (2155, 92329), (3635, 54737)]