17880544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 21068576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 643, 869, 1264, 1286, 1738, 2528, 2572, 3476, 5144, 6952, 7073, 10288, 13904, 14146, 20576, 27808, 28292, 50797, 56584, 101594, 113168, 203188, 226336, 406376, 558767, 812752, 1117534, 1625504, 2235068, 4470136, 8940272, 17880544]

約数ペア:

[(1, 17880544), (2, 8940272), (4, 4470136), (8, 2235068), (11, 1625504), (16, 1117534), (22, 812752), (32, 558767), (44, 406376), (79, 226336), (88, 203188), (158, 113168), (176, 101594), (316, 56584), (352, 50797), (632, 28292), (643, 27808), (869, 20576), (1264, 14146), (1286, 13904), (1738, 10288), (2528, 7073), (2572, 6952), (3476, 5144)]