28156968

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 92832480

約数和(自身を除く): 64675512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 347, 392, 414, 441, 483, 504, 552, 588, 644, 694, 828, 882, 966, 1041, 1127, 1176, 1288, 1388, 1449, 1656, 1764, 1932, 2082, 2254, 2429, 2776, 2898, 3123, 3381, 3528, 3864, 4164, 4508, 4858, 5796, 6246, 6762, 7287, 7981, 8328, 9016, 9716, 10143, 11592, 12492, 13524, 14574, 15962, 17003, 19432, 20286, 21861, 23943, 24984, 27048, 29148, 31924, 34006, 40572, 43722, 47886, 51009, 55867, 58296, 63848, 68012, 71829, 81144, 87444, 95772, 102018, 111734, 136024, 143658, 153027, 167601, 174888, 191544, 204036, 223468, 287316, 306054, 335202, 391069, 408072, 446936, 502803, 574632, 612108, 670404, 782138, 1005606, 1173207, 1224216, 1340808, 1564276, 2011212, 2346414, 3128552, 3519621, 4022424, 4692828, 7039242, 9385656, 14078484, 28156968]

約数ペア:

[(1, 28156968), (2, 14078484), (3, 9385656), (4, 7039242), (6, 4692828), (7, 4022424), (8, 3519621), (9, 3128552), (12, 2346414), (14, 2011212), (18, 1564276), (21, 1340808), (23, 1224216), (24, 1173207), (28, 1005606), (36, 782138), (42, 670404), (46, 612108), (49, 574632), (56, 502803), (63, 446936), (69, 408072), (72, 391069), (84, 335202), (92, 306054), (98, 287316), (126, 223468), (138, 204036), (147, 191544), (161, 174888), (168, 167601), (184, 153027), (196, 143658), (207, 136024), (252, 111734), (276, 102018), (294, 95772), (322, 87444), (347, 81144), (392, 71829), (414, 68012), (441, 63848), (483, 58296), (504, 55867), (552, 51009), (588, 47886), (644, 43722), (694, 40572), (828, 34006), (882, 31924), (966, 29148), (1041, 27048), (1127, 24984), (1176, 23943), (1288, 21861), (1388, 20286), (1449, 19432), (1656, 17003), (1764, 15962), (1932, 14574), (2082, 13524), (2254, 12492), (2429, 11592), (2776, 10143), (2898, 9716), (3123, 9016), (3381, 8328), (3528, 7981), (3864, 7287), (4164, 6762), (4508, 6246), (4858, 5796)]