81636412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^2$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 174897072

約数和(自身を除く): 93260660

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 59, 82, 118, 143, 164, 236, 286, 451, 533, 572, 649, 767, 902, 1066, 1298, 1534, 1804, 2132, 2419, 2596, 3068, 3481, 4838, 5863, 6962, 8437, 9676, 11726, 13924, 16874, 23452, 26609, 31447, 33748, 38291, 45253, 53218, 62894, 76582, 90506, 106436, 125788, 142721, 153164, 181012, 285442, 345917, 497783, 570884, 691834, 995566, 1383668, 1569931, 1855373, 1991132, 3139862, 3710746, 6279724, 7421492, 20409103, 40818206, 81636412]

約数ペア:

[(1, 81636412), (2, 40818206), (4, 20409103), (11, 7421492), (13, 6279724), (22, 3710746), (26, 3139862), (41, 1991132), (44, 1855373), (52, 1569931), (59, 1383668), (82, 995566), (118, 691834), (143, 570884), (164, 497783), (236, 345917), (286, 285442), (451, 181012), (533, 153164), (572, 142721), (649, 125788), (767, 106436), (902, 90506), (1066, 76582), (1298, 62894), (1534, 53218), (1804, 45253), (2132, 38291), (2419, 33748), (2596, 31447), (3068, 26609), (3481, 23452), (4838, 16874), (5863, 13924), (6962, 11726), (8437, 9676)]