278743288085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{82847}}^1$

素因数の和:84613

約数の個数: 32

約数和(自身を含む): 369785751552

約数和(自身を除く): 91042463467

約数列:

[1, 5, 17, 23, 85, 115, 391, 1721, 1955, 8605, 29257, 39583, 82847, 146285, 197915, 414235, 672911, 1408399, 1905481, 3364555, 7041995, 9527405, 32393177, 142579687, 161965885, 712898435, 2423854679, 3279332801, 12119273395, 16396664005, 55748657617, 278743288085]

約数ペア:

[(1, 278743288085), (5, 55748657617), (17, 16396664005), (23, 12119273395), (85, 3279332801), (115, 2423854679), (391, 712898435), (1721, 161965885), (1955, 142579687), (8605, 32393177), (29257, 9527405), (39583, 7041995), (82847, 3364555), (146285, 1905481), (197915, 1408399), (414235, 672911)]