81281148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30649}}^1$

素因数の和:30686

約数の個数: 48

約数和(自身を含む): 216266400

約数和(自身を除く): 134985252

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 30649, 61298, 91947, 122596, 183894, 367788, 398437, 521033, 796874, 1042066, 1195311, 1563099, 1593748, 2084132, 2390622, 3126198, 4781244, 6252396, 6773429, 13546858, 20320287, 27093716, 40640574, 81281148]

約数ペア:

[(1, 81281148), (2, 40640574), (3, 27093716), (4, 20320287), (6, 13546858), (12, 6773429), (13, 6252396), (17, 4781244), (26, 3126198), (34, 2390622), (39, 2084132), (51, 1593748), (52, 1563099), (68, 1195311), (78, 1042066), (102, 796874), (156, 521033), (204, 398437), (221, 367788), (442, 183894), (663, 122596), (884, 91947), (1326, 61298), (2652, 30649)]