678208384

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 1637222400

約数和(自身を除く): 959014016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 43, 56, 58, 64, 86, 112, 116, 128, 172, 203, 224, 232, 301, 344, 406, 448, 464, 602, 607, 688, 812, 896, 928, 1204, 1214, 1247, 1376, 1624, 1856, 2408, 2428, 2494, 2752, 3248, 3712, 4249, 4816, 4856, 4988, 5504, 6496, 8498, 8729, 9632, 9712, 9976, 12992, 16996, 17458, 17603, 19264, 19424, 19952, 25984, 26101, 33992, 34916, 35206, 38528, 38848, 39904, 52202, 67984, 69832, 70412, 77696, 79808, 104404, 123221, 135968, 139664, 140824, 159616, 182707, 208808, 246442, 271936, 279328, 281648, 365414, 417616, 492884, 543872, 558656, 563296, 730828, 756929, 835232, 985768, 1117312, 1126592, 1461656, 1513858, 1670464, 1971536, 2253184, 2923312, 3027716, 3340928, 3943072, 5298503, 5846624, 6055432, 7886144, 10597006, 11693248, 12110864, 15772288, 21194012, 23386496, 24221728, 42388024, 48443456, 84776048, 96886912, 169552096, 339104192, 678208384]

約数ペア:

[(1, 678208384), (2, 339104192), (4, 169552096), (7, 96886912), (8, 84776048), (14, 48443456), (16, 42388024), (28, 24221728), (29, 23386496), (32, 21194012), (43, 15772288), (56, 12110864), (58, 11693248), (64, 10597006), (86, 7886144), (112, 6055432), (116, 5846624), (128, 5298503), (172, 3943072), (203, 3340928), (224, 3027716), (232, 2923312), (301, 2253184), (344, 1971536), (406, 1670464), (448, 1513858), (464, 1461656), (602, 1126592), (607, 1117312), (688, 985768), (812, 835232), (896, 756929), (928, 730828), (1204, 563296), (1214, 558656), (1247, 543872), (1376, 492884), (1624, 417616), (1856, 365414), (2408, 281648), (2428, 279328), (2494, 271936), (2752, 246442), (3248, 208808), (3712, 182707), (4249, 159616), (4816, 140824), (4856, 139664), (4988, 135968), (5504, 123221), (6496, 104404), (8498, 79808), (8729, 77696), (9632, 70412), (9712, 69832), (9976, 67984), (12992, 52202), (16996, 39904), (17458, 38848), (17603, 38528), (19264, 35206), (19424, 34916), (19952, 33992), (25984, 26101)]