28893438

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 80668224

約数和(自身を除く): 51774786

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 41, 42, 47, 49, 51, 63, 82, 94, 98, 102, 119, 123, 126, 141, 147, 153, 238, 246, 282, 287, 294, 306, 329, 357, 369, 423, 441, 574, 658, 697, 714, 738, 799, 833, 846, 861, 882, 987, 1071, 1394, 1598, 1666, 1722, 1927, 1974, 2009, 2091, 2142, 2303, 2397, 2499, 2583, 2961, 3854, 4018, 4182, 4606, 4794, 4879, 4998, 5166, 5593, 5781, 5922, 6027, 6273, 6909, 7191, 7497, 9758, 11186, 11562, 12054, 12546, 13489, 13818, 14382, 14637, 14994, 16779, 17343, 18081, 20727, 26978, 29274, 32759, 33558, 34153, 34686, 36162, 39151, 40467, 41454, 43911, 50337, 65518, 68306, 78302, 80934, 87822, 94423, 98277, 100674, 102459, 117453, 121401, 188846, 196554, 204918, 229313, 234906, 242802, 283269, 294831, 307377, 352359, 458626, 566538, 589662, 614754, 687939, 704718, 849807, 1375878, 1605191, 1699614, 2063817, 3210382, 4127634, 4815573, 9631146, 14446719, 28893438]

約数ペア:

[(1, 28893438), (2, 14446719), (3, 9631146), (6, 4815573), (7, 4127634), (9, 3210382), (14, 2063817), (17, 1699614), (18, 1605191), (21, 1375878), (34, 849807), (41, 704718), (42, 687939), (47, 614754), (49, 589662), (51, 566538), (63, 458626), (82, 352359), (94, 307377), (98, 294831), (102, 283269), (119, 242802), (123, 234906), (126, 229313), (141, 204918), (147, 196554), (153, 188846), (238, 121401), (246, 117453), (282, 102459), (287, 100674), (294, 98277), (306, 94423), (329, 87822), (357, 80934), (369, 78302), (423, 68306), (441, 65518), (574, 50337), (658, 43911), (697, 41454), (714, 40467), (738, 39151), (799, 36162), (833, 34686), (846, 34153), (861, 33558), (882, 32759), (987, 29274), (1071, 26978), (1394, 20727), (1598, 18081), (1666, 17343), (1722, 16779), (1927, 14994), (1974, 14637), (2009, 14382), (2091, 13818), (2142, 13489), (2303, 12546), (2397, 12054), (2499, 11562), (2583, 11186), (2961, 9758), (3854, 7497), (4018, 7191), (4182, 6909), (4606, 6273), (4794, 6027), (4879, 5922), (4998, 5781), (5166, 5593)]