28195999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 3725345

約数列:

[1, 13, 23, 181, 299, 521, 2353, 4163, 6773, 11983, 54119, 94301, 155779, 1225913, 2168923, 28195999]

約数ペア:

[(1, 28195999), (13, 2168923), (23, 1225913), (181, 155779), (299, 94301), (521, 54119), (2353, 11983), (4163, 6773)]