388994816

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^2$

素因数の和:266

約数の個数: 108

約数和(自身を含む): 947982672

約数和(自身を除く): 558987856

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 113, 119, 128, 136, 224, 226, 238, 256, 272, 448, 452, 476, 544, 791, 896, 904, 952, 1088, 1582, 1792, 1808, 1904, 1921, 2176, 3164, 3616, 3808, 3842, 4352, 6328, 7232, 7616, 7684, 12656, 12769, 13447, 14464, 15232, 15368, 25312, 25538, 26894, 28928, 30464, 30736, 50624, 51076, 53788, 61472, 89383, 101248, 102152, 107576, 122944, 178766, 202496, 204304, 215152, 217073, 245888, 357532, 408608, 430304, 434146, 491776, 715064, 817216, 860608, 868292, 1430128, 1519511, 1634432, 1721216, 1736584, 2860256, 3039022, 3268864, 3442432, 3473168, 5720512, 6078044, 6946336, 11441024, 12156088, 13892672, 22882048, 24312176, 27785344, 48624352, 55570688, 97248704, 194497408, 388994816]

約数ペア:

[(1, 388994816), (2, 194497408), (4, 97248704), (7, 55570688), (8, 48624352), (14, 27785344), (16, 24312176), (17, 22882048), (28, 13892672), (32, 12156088), (34, 11441024), (56, 6946336), (64, 6078044), (68, 5720512), (112, 3473168), (113, 3442432), (119, 3268864), (128, 3039022), (136, 2860256), (224, 1736584), (226, 1721216), (238, 1634432), (256, 1519511), (272, 1430128), (448, 868292), (452, 860608), (476, 817216), (544, 715064), (791, 491776), (896, 434146), (904, 430304), (952, 408608), (1088, 357532), (1582, 245888), (1792, 217073), (1808, 215152), (1904, 204304), (1921, 202496), (2176, 178766), (3164, 122944), (3616, 107576), (3808, 102152), (3842, 101248), (4352, 89383), (6328, 61472), (7232, 53788), (7616, 51076), (7684, 50624), (12656, 30736), (12769, 30464), (13447, 28928), (14464, 26894), (15232, 25538), (15368, 25312)]