678557776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 1572399360

約数和(自身を除く): 893841584

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 29, 46, 52, 58, 67, 73, 92, 104, 116, 134, 146, 184, 208, 232, 268, 292, 299, 368, 377, 464, 536, 584, 598, 667, 754, 871, 949, 1072, 1168, 1196, 1334, 1508, 1541, 1679, 1742, 1898, 1943, 2117, 2392, 2668, 3016, 3082, 3358, 3484, 3796, 3886, 4234, 4784, 4891, 5336, 6032, 6164, 6716, 6968, 7592, 7772, 8468, 8671, 9782, 10672, 12328, 13432, 13936, 15184, 15544, 16936, 17342, 19564, 20033, 21827, 24656, 25259, 26864, 27521, 31088, 33872, 34684, 39128, 40066, 43654, 44689, 48691, 50518, 55042, 63583, 69368, 78256, 80132, 87308, 89378, 97382, 101036, 110084, 112493, 127166, 138736, 141839, 160264, 174616, 178756, 194764, 202072, 220168, 224986, 254332, 283678, 320528, 349232, 357512, 389528, 404144, 440336, 449972, 508664, 567356, 580957, 632983, 715024, 779056, 899944, 1017328, 1134712, 1161914, 1265966, 1462409, 1799888, 1843907, 2269424, 2323828, 2531932, 2924818, 3262297, 3687814, 4647656, 5063864, 5849636, 6524594, 7375628, 9295312, 10127728, 11699272, 13049188, 14751256, 23398544, 26098376, 29502512, 42409861, 52196752, 84819722, 169639444, 339278888, 678557776]

約数ペア:

[(1, 678557776), (2, 339278888), (4, 169639444), (8, 84819722), (13, 52196752), (16, 42409861), (23, 29502512), (26, 26098376), (29, 23398544), (46, 14751256), (52, 13049188), (58, 11699272), (67, 10127728), (73, 9295312), (92, 7375628), (104, 6524594), (116, 5849636), (134, 5063864), (146, 4647656), (184, 3687814), (208, 3262297), (232, 2924818), (268, 2531932), (292, 2323828), (299, 2269424), (368, 1843907), (377, 1799888), (464, 1462409), (536, 1265966), (584, 1161914), (598, 1134712), (667, 1017328), (754, 899944), (871, 779056), (949, 715024), (1072, 632983), (1168, 580957), (1196, 567356), (1334, 508664), (1508, 449972), (1541, 440336), (1679, 404144), (1742, 389528), (1898, 357512), (1943, 349232), (2117, 320528), (2392, 283678), (2668, 254332), (3016, 224986), (3082, 220168), (3358, 202072), (3484, 194764), (3796, 178756), (3886, 174616), (4234, 160264), (4784, 141839), (4891, 138736), (5336, 127166), (6032, 112493), (6164, 110084), (6716, 101036), (6968, 97382), (7592, 89378), (7772, 87308), (8468, 80132), (8671, 78256), (9782, 69368), (10672, 63583), (12328, 55042), (13432, 50518), (13936, 48691), (15184, 44689), (15544, 43654), (16936, 40066), (17342, 39128), (19564, 34684), (20033, 33872), (21827, 31088), (24656, 27521), (25259, 26864)]