221449704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 665763840

約数和(自身を除く): 444314136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 223, 257, 276, 322, 446, 483, 514, 552, 644, 669, 771, 892, 966, 1028, 1288, 1338, 1542, 1561, 1784, 1799, 1932, 2056, 2676, 3084, 3122, 3598, 3864, 4683, 5129, 5352, 5397, 5911, 6168, 6244, 7196, 9366, 10258, 10794, 11822, 12488, 14392, 15387, 17733, 18732, 20516, 21588, 23644, 30774, 35466, 35903, 37464, 41032, 41377, 43176, 47288, 57311, 61548, 70932, 71806, 82754, 107709, 114622, 123096, 124131, 141864, 143612, 165508, 171933, 215418, 229244, 248262, 287224, 331016, 343866, 401177, 430836, 458488, 496524, 687732, 802354, 861672, 993048, 1203531, 1318153, 1375464, 1604708, 2407062, 2636306, 3209416, 3954459, 4814124, 5272612, 7908918, 9227071, 9628248, 10545224, 15817836, 18454142, 27681213, 31635672, 36908284, 55362426, 73816568, 110724852, 221449704]

約数ペア:

[(1, 221449704), (2, 110724852), (3, 73816568), (4, 55362426), (6, 36908284), (7, 31635672), (8, 27681213), (12, 18454142), (14, 15817836), (21, 10545224), (23, 9628248), (24, 9227071), (28, 7908918), (42, 5272612), (46, 4814124), (56, 3954459), (69, 3209416), (84, 2636306), (92, 2407062), (138, 1604708), (161, 1375464), (168, 1318153), (184, 1203531), (223, 993048), (257, 861672), (276, 802354), (322, 687732), (446, 496524), (483, 458488), (514, 430836), (552, 401177), (644, 343866), (669, 331016), (771, 287224), (892, 248262), (966, 229244), (1028, 215418), (1288, 171933), (1338, 165508), (1542, 143612), (1561, 141864), (1784, 124131), (1799, 123096), (1932, 114622), (2056, 107709), (2676, 82754), (3084, 71806), (3122, 70932), (3598, 61548), (3864, 57311), (4683, 47288), (5129, 43176), (5352, 41377), (5397, 41032), (5911, 37464), (6168, 35903), (6244, 35466), (7196, 30774), (9366, 23644), (10258, 21588), (10794, 20516), (11822, 18732), (12488, 17733), (14392, 15387)]