218329748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 514039680

約数和(自身を除く): 295709932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 37, 43, 52, 58, 74, 86, 91, 116, 148, 169, 172, 182, 203, 259, 301, 338, 364, 377, 406, 481, 518, 559, 602, 676, 754, 812, 962, 1036, 1073, 1118, 1183, 1204, 1247, 1508, 1591, 1924, 2146, 2236, 2366, 2494, 2639, 3182, 3367, 3913, 4292, 4732, 4901, 4988, 5278, 6253, 6364, 6734, 7267, 7511, 7826, 8729, 9802, 10556, 11137, 12506, 13468, 13949, 14534, 15022, 15652, 16211, 17458, 19604, 20683, 22274, 25012, 27898, 29068, 30044, 32422, 34307, 34916, 41366, 43771, 44548, 46139, 50869, 55796, 64844, 68614, 82732, 87542, 92278, 97643, 101738, 113477, 137228, 144781, 175084, 181337, 184556, 195286, 203476, 210743, 226954, 268879, 289562, 322973, 362674, 390572, 421486, 453908, 537758, 579124, 599807, 645946, 725348, 842972, 1075516, 1199614, 1269359, 1291892, 1475201, 1882153, 2399228, 2538718, 2950402, 3764306, 4198649, 5077436, 5900804, 7528612, 7797491, 8397298, 15594982, 16794596, 31189964, 54582437, 109164874, 218329748]

約数ペア:

[(1, 218329748), (2, 109164874), (4, 54582437), (7, 31189964), (13, 16794596), (14, 15594982), (26, 8397298), (28, 7797491), (29, 7528612), (37, 5900804), (43, 5077436), (52, 4198649), (58, 3764306), (74, 2950402), (86, 2538718), (91, 2399228), (116, 1882153), (148, 1475201), (169, 1291892), (172, 1269359), (182, 1199614), (203, 1075516), (259, 842972), (301, 725348), (338, 645946), (364, 599807), (377, 579124), (406, 537758), (481, 453908), (518, 421486), (559, 390572), (602, 362674), (676, 322973), (754, 289562), (812, 268879), (962, 226954), (1036, 210743), (1073, 203476), (1118, 195286), (1183, 184556), (1204, 181337), (1247, 175084), (1508, 144781), (1591, 137228), (1924, 113477), (2146, 101738), (2236, 97643), (2366, 92278), (2494, 87542), (2639, 82732), (3182, 68614), (3367, 64844), (3913, 55796), (4292, 50869), (4732, 46139), (4901, 44548), (4988, 43771), (5278, 41366), (6253, 34916), (6364, 34307), (6734, 32422), (7267, 30044), (7511, 29068), (7826, 27898), (8729, 25012), (9802, 22274), (10556, 20683), (11137, 19604), (12506, 17458), (13468, 16211), (13949, 15652), (14534, 15022)]