258345568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 602090496

約数和(自身を除く): 343744928

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 67, 92, 104, 124, 134, 169, 184, 208, 248, 268, 299, 338, 368, 403, 416, 496, 536, 598, 676, 713, 736, 806, 871, 992, 1072, 1196, 1352, 1426, 1541, 1612, 1742, 2077, 2144, 2392, 2704, 2852, 3082, 3224, 3484, 3887, 4154, 4784, 5239, 5408, 5704, 6164, 6448, 6968, 7774, 8308, 9269, 9568, 10478, 11323, 11408, 12328, 12896, 13936, 15548, 16616, 18538, 20033, 20956, 22646, 22816, 24656, 27001, 27872, 31096, 33232, 37076, 40066, 41912, 45292, 47771, 49312, 54002, 62192, 66464, 74152, 80132, 83824, 90584, 95542, 108004, 120497, 124384, 148304, 160264, 167648, 181168, 191084, 216008, 240994, 260429, 296608, 320528, 351013, 362336, 382168, 432016, 481988, 520858, 621023, 641056, 702026, 764336, 864032, 963976, 1041716, 1242046, 1404052, 1528672, 1927952, 2083432, 2484092, 2808104, 3855904, 4166864, 4968184, 5616208, 8073299, 8333728, 9936368, 11232416, 16146598, 19872736, 32293196, 64586392, 129172784, 258345568]

約数ペア:

[(1, 258345568), (2, 129172784), (4, 64586392), (8, 32293196), (13, 19872736), (16, 16146598), (23, 11232416), (26, 9936368), (31, 8333728), (32, 8073299), (46, 5616208), (52, 4968184), (62, 4166864), (67, 3855904), (92, 2808104), (104, 2484092), (124, 2083432), (134, 1927952), (169, 1528672), (184, 1404052), (208, 1242046), (248, 1041716), (268, 963976), (299, 864032), (338, 764336), (368, 702026), (403, 641056), (416, 621023), (496, 520858), (536, 481988), (598, 432016), (676, 382168), (713, 362336), (736, 351013), (806, 320528), (871, 296608), (992, 260429), (1072, 240994), (1196, 216008), (1352, 191084), (1426, 181168), (1541, 167648), (1612, 160264), (1742, 148304), (2077, 124384), (2144, 120497), (2392, 108004), (2704, 95542), (2852, 90584), (3082, 83824), (3224, 80132), (3484, 74152), (3887, 66464), (4154, 62192), (4784, 54002), (5239, 49312), (5408, 47771), (5704, 45292), (6164, 41912), (6448, 40066), (6968, 37076), (7774, 33232), (8308, 31096), (9269, 27872), (9568, 27001), (10478, 24656), (11323, 22816), (11408, 22646), (12328, 20956), (12896, 20033), (13936, 18538), (15548, 16616)]