12783138355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{23561}}^1$

素因数の和:24087

約数の個数: 32

約数和(自身を含む): 17527866048

約数和(自身を除く): 4744727693

約数列:

[1, 5, 13, 17, 65, 85, 221, 491, 1105, 2455, 6383, 8347, 23561, 31915, 41735, 108511, 117805, 306293, 400537, 542555, 1531465, 2002685, 5206981, 11568451, 26034905, 57842255, 150389863, 196663667, 751949315, 983318335, 2556627671, 12783138355]

約数ペア:

[(1, 12783138355), (5, 2556627671), (13, 983318335), (17, 751949315), (65, 196663667), (85, 150389863), (221, 57842255), (491, 26034905), (1105, 11568451), (2455, 5206981), (6383, 2002685), (8347, 1531465), (23561, 542555), (31915, 400537), (41735, 306293), (108511, 117805)]