71339905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 116702208

約数和(自身を除く): 45362303

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 85, 91, 115, 119, 161, 221, 299, 391, 401, 455, 595, 805, 1105, 1495, 1547, 1955, 2005, 2093, 2737, 2807, 5083, 5213, 6817, 7735, 9223, 10465, 13685, 14035, 25415, 26065, 34085, 35581, 36491, 46115, 47719, 64561, 88621, 119899, 156791, 177905, 182455, 238595, 322805, 443105, 599495, 620347, 783955, 839293, 1097537, 2038283, 3101735, 4196465, 5487685, 10191415, 14267981, 71339905]

約数ペア:

[(1, 71339905), (5, 14267981), (7, 10191415), (13, 5487685), (17, 4196465), (23, 3101735), (35, 2038283), (65, 1097537), (85, 839293), (91, 783955), (115, 620347), (119, 599495), (161, 443105), (221, 322805), (299, 238595), (391, 182455), (401, 177905), (455, 156791), (595, 119899), (805, 88621), (1105, 64561), (1495, 47719), (1547, 46115), (1955, 36491), (2005, 35581), (2093, 34085), (2737, 26065), (2807, 25415), (5083, 14035), (5213, 13685), (6817, 10465), (7735, 9223)]