128999772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 377395200

約数和(自身を除く): 248395428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 47, 58, 66, 87, 94, 99, 116, 132, 141, 174, 188, 198, 239, 261, 282, 319, 348, 396, 423, 478, 517, 522, 564, 638, 717, 846, 956, 957, 1034, 1044, 1276, 1363, 1434, 1551, 1692, 1914, 2068, 2151, 2629, 2726, 2868, 2871, 3102, 3828, 4089, 4302, 4653, 5258, 5452, 5742, 6204, 6931, 7887, 8178, 8604, 9306, 10516, 11233, 11484, 12267, 13862, 14993, 15774, 16356, 18612, 20793, 22466, 23661, 24534, 27724, 29986, 31548, 33699, 41586, 44932, 44979, 47322, 49068, 59972, 62379, 67398, 76241, 83172, 89958, 94644, 101097, 123563, 124758, 134796, 134937, 152482, 179916, 202194, 228723, 247126, 249516, 269874, 304964, 325757, 370689, 404388, 457446, 494252, 539748, 651514, 686169, 741378, 914892, 977271, 1112067, 1303028, 1372338, 1482756, 1954542, 2224134, 2744676, 2931813, 3583327, 3909084, 4448268, 5863626, 7166654, 10749981, 11727252, 14333308, 21499962, 32249943, 42999924, 64499886, 128999772]

約数ペア:

[(1, 128999772), (2, 64499886), (3, 42999924), (4, 32249943), (6, 21499962), (9, 14333308), (11, 11727252), (12, 10749981), (18, 7166654), (22, 5863626), (29, 4448268), (33, 3909084), (36, 3583327), (44, 2931813), (47, 2744676), (58, 2224134), (66, 1954542), (87, 1482756), (94, 1372338), (99, 1303028), (116, 1112067), (132, 977271), (141, 914892), (174, 741378), (188, 686169), (198, 651514), (239, 539748), (261, 494252), (282, 457446), (319, 404388), (348, 370689), (396, 325757), (423, 304964), (478, 269874), (517, 249516), (522, 247126), (564, 228723), (638, 202194), (717, 179916), (846, 152482), (956, 134937), (957, 134796), (1034, 124758), (1044, 123563), (1276, 101097), (1363, 94644), (1434, 89958), (1551, 83172), (1692, 76241), (1914, 67398), (2068, 62379), (2151, 59972), (2629, 49068), (2726, 47322), (2868, 44979), (2871, 44932), (3102, 41586), (3828, 33699), (4089, 31548), (4302, 29986), (4653, 27724), (5258, 24534), (5452, 23661), (5742, 22466), (6204, 20793), (6931, 18612), (7887, 16356), (8178, 15774), (8604, 14993), (9306, 13862), (10516, 12267), (11233, 11484)]