396857216

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 942528960

約数和(自身を除く): 545671744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 61, 64, 106, 112, 122, 128, 137, 212, 224, 244, 274, 371, 424, 427, 448, 488, 548, 742, 848, 854, 896, 959, 976, 1096, 1484, 1696, 1708, 1918, 1952, 2192, 2968, 3233, 3392, 3416, 3836, 3904, 4384, 5936, 6466, 6784, 6832, 7261, 7672, 7808, 8357, 8768, 11872, 12932, 13664, 14522, 15344, 16714, 17536, 22631, 23744, 25864, 27328, 29044, 30688, 33428, 45262, 47488, 50827, 51728, 54656, 58088, 58499, 61376, 66856, 90524, 101654, 103456, 116176, 116998, 122752, 133712, 181048, 203308, 206912, 232352, 233996, 267424, 362096, 406616, 413824, 442921, 464704, 467992, 534848, 724192, 813232, 885842, 929408, 935984, 1069696, 1448384, 1626464, 1771684, 1871968, 2896768, 3100447, 3252928, 3543368, 3743936, 6200894, 6505856, 7086736, 7487872, 12401788, 14173472, 24803576, 28346944, 49607152, 56693888, 99214304, 198428608, 396857216]

約数ペア:

[(1, 396857216), (2, 198428608), (4, 99214304), (7, 56693888), (8, 49607152), (14, 28346944), (16, 24803576), (28, 14173472), (32, 12401788), (53, 7487872), (56, 7086736), (61, 6505856), (64, 6200894), (106, 3743936), (112, 3543368), (122, 3252928), (128, 3100447), (137, 2896768), (212, 1871968), (224, 1771684), (244, 1626464), (274, 1448384), (371, 1069696), (424, 935984), (427, 929408), (448, 885842), (488, 813232), (548, 724192), (742, 534848), (848, 467992), (854, 464704), (896, 442921), (959, 413824), (976, 406616), (1096, 362096), (1484, 267424), (1696, 233996), (1708, 232352), (1918, 206912), (1952, 203308), (2192, 181048), (2968, 133712), (3233, 122752), (3392, 116998), (3416, 116176), (3836, 103456), (3904, 101654), (4384, 90524), (5936, 66856), (6466, 61376), (6784, 58499), (6832, 58088), (7261, 54656), (7672, 51728), (7808, 50827), (8357, 47488), (8768, 45262), (11872, 33428), (12932, 30688), (13664, 29044), (14522, 27328), (15344, 25864), (16714, 23744), (17536, 22631)]