128899265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{11777}}^1$

素因数の和:11992

約数の個数: 16

約数和(自身を含む): 169603200

約数和(自身を除く): 40703935

約数列:

[1, 5, 11, 55, 199, 995, 2189, 10945, 11777, 58885, 129547, 647735, 2343623, 11718115, 25779853, 128899265]

約数ペア:

[(1, 128899265), (5, 25779853), (11, 11718115), (55, 2343623), (199, 647735), (995, 129547), (2189, 58885), (10945, 11777)]