28388808

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 95846400

約数和(自身を除く): 67457592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 31, 36, 42, 46, 56, 62, 63, 69, 72, 79, 84, 92, 93, 124, 126, 138, 158, 161, 168, 184, 186, 207, 217, 237, 248, 252, 276, 279, 316, 322, 372, 414, 434, 474, 483, 504, 552, 553, 558, 632, 644, 651, 711, 713, 744, 828, 868, 948, 966, 1106, 1116, 1288, 1302, 1422, 1426, 1449, 1656, 1659, 1736, 1817, 1896, 1932, 1953, 2139, 2212, 2232, 2449, 2604, 2844, 2852, 2898, 3318, 3634, 3864, 3906, 4278, 4424, 4898, 4977, 4991, 5208, 5451, 5688, 5704, 5796, 6417, 6636, 7268, 7347, 7812, 8556, 9796, 9954, 9982, 10902, 11592, 12719, 12834, 13272, 14536, 14694, 14973, 15624, 16353, 17112, 17143, 19592, 19908, 19964, 21804, 22041, 25438, 25668, 29388, 29946, 32706, 34286, 38157, 39816, 39928, 43608, 44082, 44919, 50876, 51336, 51429, 56327, 58776, 59892, 65412, 68572, 76314, 88164, 89838, 101752, 102858, 112654, 114471, 119784, 130824, 137144, 152628, 154287, 168981, 176328, 179676, 205716, 225308, 228942, 305256, 308574, 337962, 359352, 394289, 411432, 450616, 457884, 506943, 617148, 675924, 788578, 915768, 1013886, 1182867, 1234296, 1351848, 1577156, 2027772, 2365734, 3154312, 3548601, 4055544, 4731468, 7097202, 9462936, 14194404, 28388808]

約数ペア:

[(1, 28388808), (2, 14194404), (3, 9462936), (4, 7097202), (6, 4731468), (7, 4055544), (8, 3548601), (9, 3154312), (12, 2365734), (14, 2027772), (18, 1577156), (21, 1351848), (23, 1234296), (24, 1182867), (28, 1013886), (31, 915768), (36, 788578), (42, 675924), (46, 617148), (56, 506943), (62, 457884), (63, 450616), (69, 411432), (72, 394289), (79, 359352), (84, 337962), (92, 308574), (93, 305256), (124, 228942), (126, 225308), (138, 205716), (158, 179676), (161, 176328), (168, 168981), (184, 154287), (186, 152628), (207, 137144), (217, 130824), (237, 119784), (248, 114471), (252, 112654), (276, 102858), (279, 101752), (316, 89838), (322, 88164), (372, 76314), (414, 68572), (434, 65412), (474, 59892), (483, 58776), (504, 56327), (552, 51429), (553, 51336), (558, 50876), (632, 44919), (644, 44082), (651, 43608), (711, 39928), (713, 39816), (744, 38157), (828, 34286), (868, 32706), (948, 29946), (966, 29388), (1106, 25668), (1116, 25438), (1288, 22041), (1302, 21804), (1422, 19964), (1426, 19908), (1449, 19592), (1656, 17143), (1659, 17112), (1736, 16353), (1817, 15624), (1896, 14973), (1932, 14694), (1953, 14536), (2139, 13272), (2212, 12834), (2232, 12719), (2449, 11592), (2604, 10902), (2844, 9982), (2852, 9954), (2898, 9796), (3318, 8556), (3634, 7812), (3864, 7347), (3906, 7268), (4278, 6636), (4424, 6417), (4898, 5796), (4977, 5704), (4991, 5688), (5208, 5451)]