84666205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 116744544

約数和(自身を除く): 32078339

約数列:

[1, 5, 13, 17, 65, 85, 193, 221, 397, 965, 1105, 1985, 2509, 3281, 5161, 6749, 12545, 16405, 25805, 33745, 42653, 76621, 87737, 213265, 383105, 438685, 996073, 1302557, 4980365, 6512785, 16933241, 84666205]

約数ペア:

[(1, 84666205), (5, 16933241), (13, 6512785), (17, 4980365), (65, 1302557), (85, 996073), (193, 438685), (221, 383105), (397, 213265), (965, 87737), (1105, 76621), (1985, 42653), (2509, 33745), (3281, 25805), (5161, 16405), (6749, 12545)]