218618712

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 674004240

約数和(自身を除く): 455385528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 361, 456, 468, 494, 647, 684, 722, 741, 936, 988, 1083, 1294, 1368, 1444, 1482, 1941, 1976, 2166, 2223, 2588, 2888, 2964, 3249, 3882, 4332, 4446, 4693, 5176, 5823, 5928, 6498, 7764, 8411, 8664, 8892, 9386, 11646, 12293, 12996, 14079, 15528, 16822, 17784, 18772, 23292, 24586, 25233, 25992, 28158, 33644, 36879, 37544, 42237, 46584, 49172, 50466, 56316, 67288, 73758, 75699, 84474, 98344, 100932, 110637, 112632, 147516, 151398, 159809, 168948, 201864, 221274, 233567, 295032, 302796, 319618, 337896, 442548, 467134, 479427, 605592, 639236, 700701, 885096, 934268, 958854, 1278472, 1401402, 1438281, 1868536, 1917708, 2102103, 2802804, 2876562, 3036371, 3835416, 4204206, 5605608, 5753124, 6072742, 8408412, 9109113, 11506248, 12145484, 16816824, 18218226, 24290968, 27327339, 36436452, 54654678, 72872904, 109309356, 218618712]

約数ペア:

[(1, 218618712), (2, 109309356), (3, 72872904), (4, 54654678), (6, 36436452), (8, 27327339), (9, 24290968), (12, 18218226), (13, 16816824), (18, 12145484), (19, 11506248), (24, 9109113), (26, 8408412), (36, 6072742), (38, 5753124), (39, 5605608), (52, 4204206), (57, 3835416), (72, 3036371), (76, 2876562), (78, 2802804), (104, 2102103), (114, 1917708), (117, 1868536), (152, 1438281), (156, 1401402), (171, 1278472), (228, 958854), (234, 934268), (247, 885096), (312, 700701), (342, 639236), (361, 605592), (456, 479427), (468, 467134), (494, 442548), (647, 337896), (684, 319618), (722, 302796), (741, 295032), (936, 233567), (988, 221274), (1083, 201864), (1294, 168948), (1368, 159809), (1444, 151398), (1482, 147516), (1941, 112632), (1976, 110637), (2166, 100932), (2223, 98344), (2588, 84474), (2888, 75699), (2964, 73758), (3249, 67288), (3882, 56316), (4332, 50466), (4446, 49172), (4693, 46584), (5176, 42237), (5823, 37544), (5928, 36879), (6498, 33644), (7764, 28158), (8411, 25992), (8664, 25233), (8892, 24586), (9386, 23292), (11646, 18772), (12293, 17784), (12996, 16822), (14079, 15528)]