81435816

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 283121280

約数和(自身を除く): 201685464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 37, 42, 44, 56, 63, 66, 72, 74, 77, 84, 88, 99, 111, 126, 132, 148, 154, 168, 198, 222, 231, 252, 259, 264, 296, 308, 333, 396, 397, 407, 444, 462, 504, 518, 616, 666, 693, 777, 792, 794, 814, 888, 924, 1036, 1191, 1221, 1332, 1386, 1554, 1588, 1628, 1848, 2072, 2331, 2382, 2442, 2664, 2772, 2779, 2849, 3108, 3176, 3256, 3573, 3663, 4367, 4662, 4764, 4884, 5544, 5558, 5698, 6216, 7146, 7326, 8337, 8547, 8734, 9324, 9528, 9768, 11116, 11396, 13101, 14292, 14652, 14689, 16674, 17094, 17468, 18648, 22232, 22792, 25011, 25641, 26202, 28584, 29304, 29378, 30569, 33348, 34188, 34936, 39303, 44067, 50022, 51282, 52404, 58756, 61138, 66696, 68376, 78606, 88134, 91707, 100044, 102564, 102823, 104808, 117512, 122276, 132201, 157212, 161579, 176268, 183414, 200088, 205128, 205646, 244552, 264402, 275121, 308469, 314424, 323158, 352536, 366828, 411292, 484737, 528804, 550242, 616938, 646316, 733656, 822584, 925407, 969474, 1057608, 1100484, 1131053, 1233876, 1292632, 1454211, 1850814, 1938948, 2200968, 2262106, 2467752, 2908422, 3393159, 3701628, 3877896, 4524212, 5816844, 6786318, 7403256, 9048424, 10179477, 11633688, 13572636, 20358954, 27145272, 40717908, 81435816]

約数ペア:

[(1, 81435816), (2, 40717908), (3, 27145272), (4, 20358954), (6, 13572636), (7, 11633688), (8, 10179477), (9, 9048424), (11, 7403256), (12, 6786318), (14, 5816844), (18, 4524212), (21, 3877896), (22, 3701628), (24, 3393159), (28, 2908422), (33, 2467752), (36, 2262106), (37, 2200968), (42, 1938948), (44, 1850814), (56, 1454211), (63, 1292632), (66, 1233876), (72, 1131053), (74, 1100484), (77, 1057608), (84, 969474), (88, 925407), (99, 822584), (111, 733656), (126, 646316), (132, 616938), (148, 550242), (154, 528804), (168, 484737), (198, 411292), (222, 366828), (231, 352536), (252, 323158), (259, 314424), (264, 308469), (296, 275121), (308, 264402), (333, 244552), (396, 205646), (397, 205128), (407, 200088), (444, 183414), (462, 176268), (504, 161579), (518, 157212), (616, 132201), (666, 122276), (693, 117512), (777, 104808), (792, 102823), (794, 102564), (814, 100044), (888, 91707), (924, 88134), (1036, 78606), (1191, 68376), (1221, 66696), (1332, 61138), (1386, 58756), (1554, 52404), (1588, 51282), (1628, 50022), (1848, 44067), (2072, 39303), (2331, 34936), (2382, 34188), (2442, 33348), (2664, 30569), (2772, 29378), (2779, 29304), (2849, 28584), (3108, 26202), (3176, 25641), (3256, 25011), (3573, 22792), (3663, 22232), (4367, 18648), (4662, 17468), (4764, 17094), (4884, 16674), (5544, 14689), (5558, 14652), (5698, 14292), (6216, 13101), (7146, 11396), (7326, 11116), (8337, 9768), (8547, 9528), (8734, 9324)]