385715456

素因数分解:

$2^8\times 7^2\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 907713828

約数和(自身を除く): 521998372

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 97, 98, 112, 128, 194, 196, 224, 256, 317, 388, 392, 448, 634, 679, 776, 784, 896, 1268, 1358, 1552, 1568, 1792, 2219, 2536, 2716, 3104, 3136, 4438, 4753, 5072, 5432, 6208, 6272, 8876, 9506, 10144, 10864, 12416, 12544, 15533, 17752, 19012, 20288, 21728, 24832, 30749, 31066, 35504, 38024, 40576, 43456, 61498, 62132, 71008, 76048, 81152, 86912, 122996, 124264, 142016, 152096, 173824, 215243, 245992, 248528, 284032, 304192, 430486, 491984, 497056, 568064, 608384, 860972, 983968, 994112, 1216768, 1506701, 1721944, 1967936, 1988224, 3013402, 3443888, 3935872, 3976448, 6026804, 6887776, 7871744, 12053608, 13775552, 24107216, 27551104, 48214432, 55102208, 96428864, 192857728, 385715456]

約数ペア:

[(1, 385715456), (2, 192857728), (4, 96428864), (7, 55102208), (8, 48214432), (14, 27551104), (16, 24107216), (28, 13775552), (32, 12053608), (49, 7871744), (56, 6887776), (64, 6026804), (97, 3976448), (98, 3935872), (112, 3443888), (128, 3013402), (194, 1988224), (196, 1967936), (224, 1721944), (256, 1506701), (317, 1216768), (388, 994112), (392, 983968), (448, 860972), (634, 608384), (679, 568064), (776, 497056), (784, 491984), (896, 430486), (1268, 304192), (1358, 284032), (1552, 248528), (1568, 245992), (1792, 215243), (2219, 173824), (2536, 152096), (2716, 142016), (3104, 124264), (3136, 122996), (4438, 86912), (4753, 81152), (5072, 76048), (5432, 71008), (6208, 62132), (6272, 61498), (8876, 43456), (9506, 40576), (10144, 38024), (10864, 35504), (12416, 31066), (12544, 30749), (15533, 24832), (17752, 21728), (19012, 20288)]