7982198785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 11359510848

約数和(自身を除く): 3377312063

約数列:

[1, 5, 11, 17, 55, 71, 85, 121, 187, 289, 355, 605, 643, 781, 935, 1207, 1445, 2057, 3179, 3215, 3905, 6035, 7073, 8591, 10285, 10931, 13277, 15895, 20519, 34969, 35365, 42955, 45653, 54655, 66385, 77803, 102595, 120241, 146047, 174845, 185827, 225709, 228265, 389015, 502183, 601205, 730235, 776101, 929135, 1128545, 1322651, 2044097, 2482799, 2510915, 3880505, 5524013, 6613255, 8537111, 10220485, 12413995, 13193717, 22485067, 27620065, 42685555, 65968585, 93908221, 112425335, 145130887, 469541105, 725654435, 1596439757, 7982198785]

約数ペア:

[(1, 7982198785), (5, 1596439757), (11, 725654435), (17, 469541105), (55, 145130887), (71, 112425335), (85, 93908221), (121, 65968585), (187, 42685555), (289, 27620065), (355, 22485067), (605, 13193717), (643, 12413995), (781, 10220485), (935, 8537111), (1207, 6613255), (1445, 5524013), (2057, 3880505), (3179, 2510915), (3215, 2482799), (3905, 2044097), (6035, 1322651), (7073, 1128545), (8591, 929135), (10285, 776101), (10931, 730235), (13277, 601205), (15895, 502183), (20519, 389015), (34969, 228265), (35365, 225709), (42955, 185827), (45653, 174845), (54655, 146047), (66385, 120241), (77803, 102595)]