31513716

素因数分解:

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

素因数の和:290

約数の個数: 108

約数和(自身を含む): 91521612

約数和(自身を除く): 60007896

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 233, 234, 289, 306, 442, 466, 468, 578, 612, 663, 699, 867, 884, 932, 1156, 1326, 1398, 1734, 1989, 2097, 2601, 2652, 2796, 3029, 3468, 3757, 3961, 3978, 4194, 5202, 6058, 7514, 7922, 7956, 8388, 9087, 10404, 11271, 11883, 12116, 15028, 15844, 18174, 22542, 23766, 27261, 33813, 35649, 36348, 45084, 47532, 51493, 54522, 67337, 67626, 71298, 102986, 109044, 134674, 135252, 142596, 154479, 202011, 205972, 269348, 308958, 404022, 463437, 606033, 617916, 808044, 875381, 926874, 1212066, 1750762, 1853748, 2424132, 2626143, 3501524, 5252286, 7878429, 10504572, 15756858, 31513716]

約数ペア:

[(1, 31513716), (2, 15756858), (3, 10504572), (4, 7878429), (6, 5252286), (9, 3501524), (12, 2626143), (13, 2424132), (17, 1853748), (18, 1750762), (26, 1212066), (34, 926874), (36, 875381), (39, 808044), (51, 617916), (52, 606033), (68, 463437), (78, 404022), (102, 308958), (117, 269348), (153, 205972), (156, 202011), (204, 154479), (221, 142596), (233, 135252), (234, 134674), (289, 109044), (306, 102986), (442, 71298), (466, 67626), (468, 67337), (578, 54522), (612, 51493), (663, 47532), (699, 45084), (867, 36348), (884, 35649), (932, 33813), (1156, 27261), (1326, 23766), (1398, 22542), (1734, 18174), (1989, 15844), (2097, 15028), (2601, 12116), (2652, 11883), (2796, 11271), (3029, 10404), (3468, 9087), (3757, 8388), (3961, 7956), (3978, 7922), (4194, 7514), (5202, 6058)]