28046065

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 6341135

約数列:

[1, 5, 71, 199, 355, 397, 995, 1985, 14129, 28187, 70645, 79003, 140935, 395015, 5609213, 28046065]

約数ペア:

[(1, 28046065), (5, 5609213), (71, 395015), (199, 140935), (355, 79003), (397, 70645), (995, 28187), (1985, 14129)]