80811965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73133}}^1$

素因数の和:73168

約数の個数: 16

約数和(自身を含む): 110578608

約数和(自身を除く): 29766643

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 73133, 365665, 950729, 1243261, 4753645, 6216305, 16162393, 80811965]

約数ペア:

[(1, 80811965), (5, 16162393), (13, 6216305), (17, 4753645), (65, 1243261), (85, 950729), (221, 365665), (1105, 73133)]