238678784

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 494484480

約数和(自身を除く): 255805696

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 83, 94, 128, 166, 188, 239, 256, 332, 376, 478, 664, 752, 956, 1328, 1504, 1912, 2656, 3008, 3824, 3901, 5312, 6016, 7648, 7802, 10624, 11233, 12032, 15296, 15604, 19837, 21248, 22466, 30592, 31208, 39674, 44932, 61184, 62416, 79348, 89864, 124832, 158696, 179728, 249664, 317392, 359456, 499328, 634784, 718912, 932339, 998656, 1269568, 1437824, 1864678, 2539136, 2875648, 3729356, 5078272, 7458712, 14917424, 29834848, 59669696, 119339392, 238678784]

約数ペア:

[(1, 238678784), (2, 119339392), (4, 59669696), (8, 29834848), (16, 14917424), (32, 7458712), (47, 5078272), (64, 3729356), (83, 2875648), (94, 2539136), (128, 1864678), (166, 1437824), (188, 1269568), (239, 998656), (256, 932339), (332, 718912), (376, 634784), (478, 499328), (664, 359456), (752, 317392), (956, 249664), (1328, 179728), (1504, 158696), (1912, 124832), (2656, 89864), (3008, 79348), (3824, 62416), (3901, 61184), (5312, 44932), (6016, 39674), (7648, 31208), (7802, 30592), (10624, 22466), (11233, 21248), (12032, 19837), (15296, 15604)]