28853188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2612

約数の個数: 48

約数和(自身を含む): 64175104

約数和(自身を除く): 35321916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2557, 2821, 5114, 5642, 10228, 11284, 17899, 33241, 35798, 66482, 71596, 79267, 132964, 158534, 232687, 317068, 465374, 554869, 930748, 1030471, 1109738, 2060942, 2219476, 4121884, 7213297, 14426594, 28853188]

約数ペア:

[(1, 28853188), (2, 14426594), (4, 7213297), (7, 4121884), (13, 2219476), (14, 2060942), (26, 1109738), (28, 1030471), (31, 930748), (52, 554869), (62, 465374), (91, 317068), (124, 232687), (182, 158534), (217, 132964), (364, 79267), (403, 71596), (434, 66482), (806, 35798), (868, 33241), (1612, 17899), (2557, 11284), (2821, 10228), (5114, 5642)]