278344640886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2243}}^1\times {\mathrm{3779}}^1$

素因数の和:6461

約数の個数: 64

約数和(自身を含む): 601362558720

約数和(自身を除く): 323017917834

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 421, 842, 1263, 2243, 2526, 3779, 4486, 5473, 6729, 7558, 10946, 11337, 13458, 16419, 22674, 29159, 32838, 49127, 58318, 87477, 98254, 147381, 174954, 294762, 944303, 1590959, 1888606, 2832909, 3181918, 4772877, 5665818, 8476297, 9545754, 12275939, 16952594, 20682467, 24551878, 25428891, 36827817, 41364934, 50857782, 62047401, 73655634, 110191861, 124094802, 220383722, 330575583, 661151166, 3568521037, 7137042074, 10705563111, 21411126222, 46390773481, 92781546962, 139172320443, 278344640886]

約数ペア:

[(1, 278344640886), (2, 139172320443), (3, 92781546962), (6, 46390773481), (13, 21411126222), (26, 10705563111), (39, 7137042074), (78, 3568521037), (421, 661151166), (842, 330575583), (1263, 220383722), (2243, 124094802), (2526, 110191861), (3779, 73655634), (4486, 62047401), (5473, 50857782), (6729, 41364934), (7558, 36827817), (10946, 25428891), (11337, 24551878), (13458, 20682467), (16419, 16952594), (22674, 12275939), (29159, 9545754), (32838, 8476297), (49127, 5665818), (58318, 4772877), (87477, 3181918), (98254, 2832909), (147381, 1888606), (174954, 1590959), (294762, 944303)]