28013221795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18737941}}^1$

素因数の和:18737982

約数の個数: 16

約数和(自身を含む): 37775691072

約数和(自身を除く): 9762469277

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 18737941, 93689705, 243593233, 430972643, 1217966165, 2154863215, 5602644359, 28013221795]

約数ペア:

[(1, 28013221795), (5, 5602644359), (13, 2154863215), (23, 1217966165), (65, 430972643), (115, 243593233), (299, 93689705), (1495, 18737941)]