2780622

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4295538

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 233, 234, 306, 351, 442, 459, 466, 663, 699, 702, 918, 1326, 1398, 1989, 2097, 3029, 3961, 3978, 4194, 5967, 6058, 6291, 7922, 9087, 11883, 11934, 12582, 18174, 23766, 27261, 35649, 51493, 54522, 71298, 81783, 102986, 106947, 154479, 163566, 213894, 308958, 463437, 926874, 1390311, 2780622]

約数ペア:

[(1, 2780622), (2, 1390311), (3, 926874), (6, 463437), (9, 308958), (13, 213894), (17, 163566), (18, 154479), (26, 106947), (27, 102986), (34, 81783), (39, 71298), (51, 54522), (54, 51493), (78, 35649), (102, 27261), (117, 23766), (153, 18174), (221, 12582), (233, 11934), (234, 11883), (306, 9087), (351, 7922), (442, 6291), (459, 6058), (466, 5967), (663, 4194), (699, 3978), (702, 3961), (918, 3029), (1326, 2097), (1398, 1989)]