28254252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 71563520

約数和(自身を除く): 43309268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 1303, 1668, 1807, 2606, 3614, 3909, 5212, 5421, 7228, 7818, 10842, 15636, 16939, 21684, 33878, 50817, 67756, 101634, 181117, 203268, 362234, 543351, 724468, 1086702, 2173404, 2354521, 4709042, 7063563, 9418084, 14127126, 28254252]

約数ペア:

[(1, 28254252), (2, 14127126), (3, 9418084), (4, 7063563), (6, 4709042), (12, 2354521), (13, 2173404), (26, 1086702), (39, 724468), (52, 543351), (78, 362234), (139, 203268), (156, 181117), (278, 101634), (417, 67756), (556, 50817), (834, 33878), (1303, 21684), (1668, 16939), (1807, 15636), (2606, 10842), (3614, 7818), (3909, 7228), (5212, 5421)]