287791295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2741}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 398006784

約数和(自身を除く): 110215489

約数列:

[1, 5, 11, 23, 55, 83, 115, 253, 415, 913, 1265, 1909, 2741, 4565, 9545, 13705, 20999, 30151, 63043, 104995, 150755, 227503, 315215, 693473, 1137515, 2502533, 3467365, 5232569, 12512665, 26162845, 57558259, 287791295]

約数ペア:

[(1, 287791295), (5, 57558259), (11, 26162845), (23, 12512665), (55, 5232569), (83, 3467365), (115, 2502533), (253, 1137515), (415, 693473), (913, 315215), (1265, 227503), (1909, 150755), (2741, 104995), (4565, 63043), (9545, 30151), (13705, 20999)]