12686856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 40346880

約数和(自身を除く): 27660024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 157, 168, 182, 222, 259, 273, 296, 312, 314, 364, 444, 471, 481, 518, 546, 628, 728, 777, 888, 942, 962, 1036, 1092, 1099, 1256, 1443, 1554, 1884, 1924, 2041, 2072, 2184, 2198, 2886, 3108, 3297, 3367, 3768, 3848, 4082, 4396, 5772, 5809, 6123, 6216, 6594, 6734, 8164, 8792, 10101, 11544, 11618, 12246, 13188, 13468, 14287, 16328, 17427, 20202, 23236, 24492, 26376, 26936, 28574, 34854, 40404, 40663, 42861, 46472, 48984, 57148, 69708, 75517, 80808, 81326, 85722, 114296, 121989, 139416, 151034, 162652, 171444, 226551, 243978, 302068, 325304, 342888, 453102, 487956, 528619, 604136, 906204, 975912, 1057238, 1585857, 1812408, 2114476, 3171714, 4228952, 6343428, 12686856]

約数ペア:

[(1, 12686856), (2, 6343428), (3, 4228952), (4, 3171714), (6, 2114476), (7, 1812408), (8, 1585857), (12, 1057238), (13, 975912), (14, 906204), (21, 604136), (24, 528619), (26, 487956), (28, 453102), (37, 342888), (39, 325304), (42, 302068), (52, 243978), (56, 226551), (74, 171444), (78, 162652), (84, 151034), (91, 139416), (104, 121989), (111, 114296), (148, 85722), (156, 81326), (157, 80808), (168, 75517), (182, 69708), (222, 57148), (259, 48984), (273, 46472), (296, 42861), (312, 40663), (314, 40404), (364, 34854), (444, 28574), (471, 26936), (481, 26376), (518, 24492), (546, 23236), (628, 20202), (728, 17427), (777, 16328), (888, 14287), (942, 13468), (962, 13188), (1036, 12246), (1092, 11618), (1099, 11544), (1256, 10101), (1443, 8792), (1554, 8164), (1884, 6734), (1924, 6594), (2041, 6216), (2072, 6123), (2184, 5809), (2198, 5772), (2886, 4396), (3108, 4082), (3297, 3848), (3367, 3768)]