256943988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:803

約数の個数: 120

約数和(自身を含む): 772951872

約数和(自身を除く): 516007884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 193, 252, 324, 378, 386, 567, 579, 587, 756, 772, 1134, 1158, 1174, 1351, 1737, 1761, 2268, 2316, 2348, 2702, 3474, 3522, 4053, 4109, 5211, 5283, 5404, 6948, 7044, 8106, 8218, 10422, 10566, 12159, 12327, 15633, 15849, 16212, 16436, 20844, 21132, 24318, 24654, 31266, 31698, 36477, 36981, 47547, 48636, 49308, 62532, 63396, 72954, 73962, 95094, 109431, 110943, 113291, 145908, 147924, 190188, 218862, 221886, 226582, 332829, 339873, 437724, 443772, 453164, 665658, 679746, 793037, 1019619, 1331316, 1359492, 1586074, 2039238, 2379111, 3058857, 3172148, 4078476, 4758222, 6117714, 7137333, 9176571, 9516444, 12235428, 14274666, 18353142, 21411999, 28549332, 36706284, 42823998, 64235997, 85647996, 128471994, 256943988]

約数ペア:

[(1, 256943988), (2, 128471994), (3, 85647996), (4, 64235997), (6, 42823998), (7, 36706284), (9, 28549332), (12, 21411999), (14, 18353142), (18, 14274666), (21, 12235428), (27, 9516444), (28, 9176571), (36, 7137333), (42, 6117714), (54, 4758222), (63, 4078476), (81, 3172148), (84, 3058857), (108, 2379111), (126, 2039238), (162, 1586074), (189, 1359492), (193, 1331316), (252, 1019619), (324, 793037), (378, 679746), (386, 665658), (567, 453164), (579, 443772), (587, 437724), (756, 339873), (772, 332829), (1134, 226582), (1158, 221886), (1174, 218862), (1351, 190188), (1737, 147924), (1761, 145908), (2268, 113291), (2316, 110943), (2348, 109431), (2702, 95094), (3474, 73962), (3522, 72954), (4053, 63396), (4109, 62532), (5211, 49308), (5283, 48636), (5404, 47547), (6948, 36981), (7044, 36477), (8106, 31698), (8218, 31266), (10422, 24654), (10566, 24318), (12159, 21132), (12327, 20844), (15633, 16436), (15849, 16212)]