256312764

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 668555888

約数和(自身を除く): 412243124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 337, 444, 571, 666, 674, 1011, 1142, 1332, 1348, 1713, 2022, 2284, 3033, 3426, 4044, 5139, 6066, 6852, 10278, 12132, 12469, 20556, 21127, 24938, 37407, 42254, 49876, 63381, 74814, 84508, 112221, 126762, 149628, 190143, 192427, 224442, 253524, 380286, 384854, 448884, 577281, 760572, 769708, 1154562, 1731843, 2309124, 3463686, 6927372, 7119799, 14239598, 21359397, 28479196, 42718794, 64078191, 85437588, 128156382, 256312764]

約数ペア:

[(1, 256312764), (2, 128156382), (3, 85437588), (4, 64078191), (6, 42718794), (9, 28479196), (12, 21359397), (18, 14239598), (36, 7119799), (37, 6927372), (74, 3463686), (111, 2309124), (148, 1731843), (222, 1154562), (333, 769708), (337, 760572), (444, 577281), (571, 448884), (666, 384854), (674, 380286), (1011, 253524), (1142, 224442), (1332, 192427), (1348, 190143), (1713, 149628), (2022, 126762), (2284, 112221), (3033, 84508), (3426, 74814), (4044, 63381), (5139, 49876), (6066, 42254), (6852, 37407), (10278, 24938), (12132, 21127), (12469, 20556)]