720912138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{5224001}}^1$

素因数の和:5224029

約数の個数: 16

約数和(自身を含む): 1504512576

約数和(自身を除く): 783600438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 5224001, 10448002, 15672003, 31344006, 120152023, 240304046, 360456069, 720912138]

約数ペア:

[(1, 720912138), (2, 360456069), (3, 240304046), (6, 120152023), (23, 31344006), (46, 15672003), (69, 10448002), (138, 5224001)]