81586428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 250252800

約数和(自身を除く): 168666372

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 121, 132, 138, 154, 161, 231, 242, 253, 276, 308, 322, 349, 363, 462, 483, 484, 506, 644, 698, 726, 759, 847, 924, 966, 1012, 1047, 1396, 1452, 1518, 1694, 1771, 1932, 2094, 2443, 2541, 2783, 3036, 3388, 3542, 3839, 4188, 4886, 5082, 5313, 5566, 7084, 7329, 7678, 8027, 8349, 9772, 10164, 10626, 11132, 11517, 14658, 15356, 16054, 16698, 19481, 21252, 23034, 24081, 26873, 29316, 32108, 33396, 38962, 42229, 46068, 48162, 53746, 56189, 58443, 77924, 80619, 84458, 88297, 96324, 107492, 112378, 116886, 126687, 161238, 168567, 168916, 176594, 224756, 233772, 253374, 264891, 295603, 322476, 337134, 353188, 506748, 529782, 591206, 618079, 674268, 886809, 971267, 1059564, 1182412, 1236158, 1773618, 1854237, 1942534, 2472316, 2913801, 3547236, 3708474, 3885068, 5827602, 6798869, 7416948, 11655204, 13597738, 20396607, 27195476, 40793214, 81586428]

約数ペア:

[(1, 81586428), (2, 40793214), (3, 27195476), (4, 20396607), (6, 13597738), (7, 11655204), (11, 7416948), (12, 6798869), (14, 5827602), (21, 3885068), (22, 3708474), (23, 3547236), (28, 2913801), (33, 2472316), (42, 1942534), (44, 1854237), (46, 1773618), (66, 1236158), (69, 1182412), (77, 1059564), (84, 971267), (92, 886809), (121, 674268), (132, 618079), (138, 591206), (154, 529782), (161, 506748), (231, 353188), (242, 337134), (253, 322476), (276, 295603), (308, 264891), (322, 253374), (349, 233772), (363, 224756), (462, 176594), (483, 168916), (484, 168567), (506, 161238), (644, 126687), (698, 116886), (726, 112378), (759, 107492), (847, 96324), (924, 88297), (966, 84458), (1012, 80619), (1047, 77924), (1396, 58443), (1452, 56189), (1518, 53746), (1694, 48162), (1771, 46068), (1932, 42229), (2094, 38962), (2443, 33396), (2541, 32108), (2783, 29316), (3036, 26873), (3388, 24081), (3542, 23034), (3839, 21252), (4188, 19481), (4886, 16698), (5082, 16054), (5313, 15356), (5566, 14658), (7084, 11517), (7329, 11132), (7678, 10626), (8027, 10164), (8349, 9772)]