39990258

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 113201088

約数和(自身を除く): 73210830

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 61, 63, 66, 77, 86, 99, 121, 122, 126, 129, 154, 183, 198, 231, 242, 258, 301, 363, 366, 387, 427, 462, 473, 549, 602, 671, 693, 726, 774, 847, 854, 903, 946, 1089, 1098, 1281, 1342, 1386, 1419, 1694, 1806, 2013, 2178, 2541, 2562, 2623, 2709, 2838, 3311, 3843, 4026, 4257, 4697, 5082, 5203, 5246, 5418, 6039, 6622, 7381, 7623, 7686, 7869, 8514, 9394, 9933, 10406, 12078, 14091, 14762, 15246, 15609, 15738, 18361, 19866, 22143, 23607, 28182, 28853, 29799, 31218, 36421, 36722, 42273, 44286, 46827, 47214, 51667, 55083, 57706, 59598, 66429, 72842, 84546, 86559, 93654, 103334, 109263, 110166, 132858, 155001, 165249, 173118, 201971, 218526, 259677, 310002, 317383, 327789, 330498, 403942, 465003, 519354, 605913, 634766, 655578, 930006, 952149, 1211826, 1817739, 1904298, 2221681, 2856447, 3635478, 4443362, 5712894, 6665043, 13330086, 19995129, 39990258]

約数ペア:

[(1, 39990258), (2, 19995129), (3, 13330086), (6, 6665043), (7, 5712894), (9, 4443362), (11, 3635478), (14, 2856447), (18, 2221681), (21, 1904298), (22, 1817739), (33, 1211826), (42, 952149), (43, 930006), (61, 655578), (63, 634766), (66, 605913), (77, 519354), (86, 465003), (99, 403942), (121, 330498), (122, 327789), (126, 317383), (129, 310002), (154, 259677), (183, 218526), (198, 201971), (231, 173118), (242, 165249), (258, 155001), (301, 132858), (363, 110166), (366, 109263), (387, 103334), (427, 93654), (462, 86559), (473, 84546), (549, 72842), (602, 66429), (671, 59598), (693, 57706), (726, 55083), (774, 51667), (847, 47214), (854, 46827), (903, 44286), (946, 42273), (1089, 36722), (1098, 36421), (1281, 31218), (1342, 29799), (1386, 28853), (1419, 28182), (1694, 23607), (1806, 22143), (2013, 19866), (2178, 18361), (2541, 15738), (2562, 15609), (2623, 15246), (2709, 14762), (2838, 14091), (3311, 12078), (3843, 10406), (4026, 9933), (4257, 9394), (4697, 8514), (5082, 7869), (5203, 7686), (5246, 7623), (5418, 7381), (6039, 6622)]