247789332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6263}}^1$

素因数の和:6437

約数の個数: 72

約数和(自身を含む): 720510336

約数和(自身を除く): 472721004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6263, 6594, 9891, 12526, 13188, 18789, 19782, 25052, 37578, 39564, 43841, 56367, 75156, 87682, 112734, 131523, 175364, 225468, 263046, 394569, 526092, 789138, 983291, 1578276, 1966582, 2949873, 3933164, 5899746, 6883037, 8849619, 11799492, 13766074, 17699238, 20649111, 27532148, 35398476, 41298222, 61947333, 82596444, 123894666, 247789332]

約数ペア:

[(1, 247789332), (2, 123894666), (3, 82596444), (4, 61947333), (6, 41298222), (7, 35398476), (9, 27532148), (12, 20649111), (14, 17699238), (18, 13766074), (21, 11799492), (28, 8849619), (36, 6883037), (42, 5899746), (63, 3933164), (84, 2949873), (126, 1966582), (157, 1578276), (252, 983291), (314, 789138), (471, 526092), (628, 394569), (942, 263046), (1099, 225468), (1413, 175364), (1884, 131523), (2198, 112734), (2826, 87682), (3297, 75156), (4396, 56367), (5652, 43841), (6263, 39564), (6594, 37578), (9891, 25052), (12526, 19782), (13188, 18789)]