2491036792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 5008802400

約数和(自身を除く): 2517765608

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 313, 421, 556, 626, 842, 1112, 1252, 1684, 2363, 2504, 3368, 4726, 5321, 7157, 9452, 10642, 14314, 18904, 21284, 28628, 42568, 43507, 57256, 58519, 87014, 117038, 131773, 174028, 234076, 263546, 348056, 468152, 527092, 739619, 994823, 1054184, 1479238, 1989646, 2240141, 2958476, 3979292, 4480282, 5916952, 7958584, 8960564, 17921128, 18316447, 36632894, 73265788, 146531576, 311379599, 622759198, 1245518396, 2491036792]

約数ペア:

[(1, 2491036792), (2, 1245518396), (4, 622759198), (8, 311379599), (17, 146531576), (34, 73265788), (68, 36632894), (136, 18316447), (139, 17921128), (278, 8960564), (313, 7958584), (421, 5916952), (556, 4480282), (626, 3979292), (842, 2958476), (1112, 2240141), (1252, 1989646), (1684, 1479238), (2363, 1054184), (2504, 994823), (3368, 739619), (4726, 527092), (5321, 468152), (7157, 348056), (9452, 263546), (10642, 234076), (14314, 174028), (18904, 131773), (21284, 117038), (28628, 87014), (42568, 58519), (43507, 57256)]