71061809

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 89564328

約数和(自身を除く): 18502519

約数列:

[1, 7, 13, 49, 91, 281, 397, 637, 1967, 2779, 3653, 5161, 13769, 19453, 25571, 36127, 111557, 178997, 252889, 780899, 1450241, 5466293, 10151687, 71061809]

約数ペア:

[(1, 71061809), (7, 10151687), (13, 5466293), (49, 1450241), (91, 780899), (281, 252889), (397, 178997), (637, 111557), (1967, 36127), (2779, 25571), (3653, 19453), (5161, 13769)]