257454626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 470292480

約数和(自身を除く): 212837854

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 107, 143, 179, 214, 286, 358, 517, 611, 1034, 1177, 1222, 1391, 1969, 2327, 2354, 2782, 3938, 4654, 5029, 6721, 8413, 10058, 13442, 15301, 16826, 19153, 25597, 30602, 38306, 51194, 55319, 65377, 92543, 109369, 110638, 130754, 185086, 210683, 218738, 248989, 421366, 497978, 719147, 900191, 1203059, 1438294, 1800382, 2406118, 2738879, 5477758, 9902101, 11702483, 19804202, 23404966, 128727313, 257454626]

約数ペア:

[(1, 257454626), (2, 128727313), (11, 23404966), (13, 19804202), (22, 11702483), (26, 9902101), (47, 5477758), (94, 2738879), (107, 2406118), (143, 1800382), (179, 1438294), (214, 1203059), (286, 900191), (358, 719147), (517, 497978), (611, 421366), (1034, 248989), (1177, 218738), (1222, 210683), (1391, 185086), (1969, 130754), (2327, 110638), (2354, 109369), (2782, 92543), (3938, 65377), (4654, 55319), (5029, 51194), (6721, 38306), (8413, 30602), (10058, 25597), (13442, 19153), (15301, 16826)]