278987982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26893}}^1$

素因数の和:26937

約数の個数: 64

約数和(自身を含む): 722910720

約数和(自身を除く): 443922738

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 26893, 53786, 80679, 161358, 188251, 349609, 376502, 510967, 564753, 699218, 1021934, 1048827, 1129506, 1532901, 2097654, 2447263, 3065802, 3576769, 4894526, 6642571, 7153538, 7341789, 10730307, 13285142, 14683578, 19927713, 21460614, 39855426, 46497997, 92995994, 139493991, 278987982]

約数ペア:

[(1, 278987982), (2, 139493991), (3, 92995994), (6, 46497997), (7, 39855426), (13, 21460614), (14, 19927713), (19, 14683578), (21, 13285142), (26, 10730307), (38, 7341789), (39, 7153538), (42, 6642571), (57, 4894526), (78, 3576769), (91, 3065802), (114, 2447263), (133, 2097654), (182, 1532901), (247, 1129506), (266, 1048827), (273, 1021934), (399, 699218), (494, 564753), (546, 510967), (741, 376502), (798, 349609), (1482, 188251), (1729, 161358), (3458, 80679), (5187, 53786), (10374, 26893)]