2778412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3571988

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 449, 476, 884, 898, 1547, 1796, 3094, 3143, 5837, 6188, 6286, 7633, 11674, 12572, 15266, 23348, 30532, 40859, 53431, 81718, 99229, 106862, 163436, 198458, 213724, 396916, 694603, 1389206, 2778412]

約数ペア:

[(1, 2778412), (2, 1389206), (4, 694603), (7, 396916), (13, 213724), (14, 198458), (17, 163436), (26, 106862), (28, 99229), (34, 81718), (52, 53431), (68, 40859), (91, 30532), (119, 23348), (182, 15266), (221, 12572), (238, 11674), (364, 7633), (442, 6286), (449, 6188), (476, 5837), (884, 3143), (898, 3094), (1547, 1796)]