656189664

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 192

約数和(自身を含む): 1986659136

約数和(自身を除く): 1330469472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 157, 197, 204, 208, 221, 272, 312, 314, 394, 408, 416, 442, 471, 544, 591, 624, 628, 663, 788, 816, 884, 942, 1182, 1248, 1256, 1326, 1576, 1632, 1768, 1884, 2041, 2364, 2512, 2561, 2652, 2669, 3152, 3349, 3536, 3768, 4082, 4728, 5024, 5122, 5304, 5338, 6123, 6304, 6698, 7072, 7536, 7683, 8007, 8164, 9456, 10047, 10244, 10608, 10676, 12246, 13396, 15072, 15366, 16014, 16328, 18912, 20094, 20488, 21216, 21352, 24492, 26792, 30732, 30929, 32028, 32656, 34697, 40188, 40976, 42704, 43537, 48984, 53584, 61464, 61858, 64056, 65312, 69394, 80376, 81952, 85408, 87074, 92787, 97968, 104091, 107168, 122928, 123716, 128112, 130611, 138788, 160752, 174148, 185574, 195936, 208182, 245856, 247432, 256224, 261222, 277576, 321504, 348296, 371148, 402077, 416364, 494864, 522444, 525793, 555152, 696592, 742296, 804154, 832728, 989728, 1044888, 1051586, 1110304, 1206231, 1393184, 1484592, 1577379, 1608308, 1665456, 2089776, 2103172, 2412462, 2969184, 3154758, 3216616, 3330912, 4179552, 4206344, 4824924, 6309516, 6433232, 6835309, 8412688, 9649848, 12619032, 12866464, 13670618, 16825376, 19299696, 20505927, 25238064, 27341236, 38599392, 41011854, 50476128, 54682472, 82023708, 109364944, 164047416, 218729888, 328094832, 656189664]

約数ペア:

[(1, 656189664), (2, 328094832), (3, 218729888), (4, 164047416), (6, 109364944), (8, 82023708), (12, 54682472), (13, 50476128), (16, 41011854), (17, 38599392), (24, 27341236), (26, 25238064), (32, 20505927), (34, 19299696), (39, 16825376), (48, 13670618), (51, 12866464), (52, 12619032), (68, 9649848), (78, 8412688), (96, 6835309), (102, 6433232), (104, 6309516), (136, 4824924), (156, 4206344), (157, 4179552), (197, 3330912), (204, 3216616), (208, 3154758), (221, 2969184), (272, 2412462), (312, 2103172), (314, 2089776), (394, 1665456), (408, 1608308), (416, 1577379), (442, 1484592), (471, 1393184), (544, 1206231), (591, 1110304), (624, 1051586), (628, 1044888), (663, 989728), (788, 832728), (816, 804154), (884, 742296), (942, 696592), (1182, 555152), (1248, 525793), (1256, 522444), (1326, 494864), (1576, 416364), (1632, 402077), (1768, 371148), (1884, 348296), (2041, 321504), (2364, 277576), (2512, 261222), (2561, 256224), (2652, 247432), (2669, 245856), (3152, 208182), (3349, 195936), (3536, 185574), (3768, 174148), (4082, 160752), (4728, 138788), (5024, 130611), (5122, 128112), (5304, 123716), (5338, 122928), (6123, 107168), (6304, 104091), (6698, 97968), (7072, 92787), (7536, 87074), (7683, 85408), (8007, 81952), (8164, 80376), (9456, 69394), (10047, 65312), (10244, 64056), (10608, 61858), (10676, 61464), (12246, 53584), (13396, 48984), (15072, 43537), (15366, 42704), (16014, 40976), (16328, 40188), (18912, 34697), (20094, 32656), (20488, 32028), (21216, 30929), (21352, 30732), (24492, 26792)]