218761984

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 543932928

約数和(自身を除く): 325170944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 43, 56, 64, 68, 86, 112, 119, 128, 136, 167, 172, 224, 238, 256, 272, 301, 334, 344, 448, 476, 544, 602, 668, 688, 731, 896, 952, 1088, 1169, 1204, 1336, 1376, 1462, 1792, 1904, 2176, 2338, 2408, 2672, 2752, 2839, 2924, 3808, 4352, 4676, 4816, 5117, 5344, 5504, 5678, 5848, 7181, 7616, 9352, 9632, 10234, 10688, 11008, 11356, 11696, 14362, 15232, 18704, 19264, 19873, 20468, 21376, 22712, 23392, 28724, 30464, 37408, 38528, 39746, 40936, 42752, 45424, 46784, 50267, 57448, 74816, 77056, 79492, 81872, 90848, 93568, 100534, 114896, 122077, 149632, 158984, 163744, 181696, 187136, 201068, 229792, 244154, 299264, 317968, 327488, 363392, 402136, 459584, 488308, 635936, 654976, 726784, 804272, 854539, 919168, 976616, 1271872, 1309952, 1608544, 1709078, 1838336, 1953232, 2543744, 3217088, 3418156, 3906464, 5087488, 6434176, 6836312, 7812928, 12868352, 13672624, 15625856, 27345248, 31251712, 54690496, 109380992, 218761984]

約数ペア:

[(1, 218761984), (2, 109380992), (4, 54690496), (7, 31251712), (8, 27345248), (14, 15625856), (16, 13672624), (17, 12868352), (28, 7812928), (32, 6836312), (34, 6434176), (43, 5087488), (56, 3906464), (64, 3418156), (68, 3217088), (86, 2543744), (112, 1953232), (119, 1838336), (128, 1709078), (136, 1608544), (167, 1309952), (172, 1271872), (224, 976616), (238, 919168), (256, 854539), (272, 804272), (301, 726784), (334, 654976), (344, 635936), (448, 488308), (476, 459584), (544, 402136), (602, 363392), (668, 327488), (688, 317968), (731, 299264), (896, 244154), (952, 229792), (1088, 201068), (1169, 187136), (1204, 181696), (1336, 163744), (1376, 158984), (1462, 149632), (1792, 122077), (1904, 114896), (2176, 100534), (2338, 93568), (2408, 90848), (2672, 81872), (2752, 79492), (2839, 77056), (2924, 74816), (3808, 57448), (4352, 50267), (4676, 46784), (4816, 45424), (5117, 42752), (5344, 40936), (5504, 39746), (5678, 38528), (5848, 37408), (7181, 30464), (7616, 28724), (9352, 23392), (9632, 22712), (10234, 21376), (10688, 20468), (11008, 19873), (11356, 19264), (11696, 18704), (14362, 15232)]