639097304

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 1257379200

約数和(自身を除く): 618281896

約数列:

[1, 2, 4, 8, 43, 86, 97, 107, 172, 179, 194, 214, 344, 358, 388, 428, 716, 776, 856, 1432, 4171, 4601, 7697, 8342, 9202, 10379, 15394, 16684, 17363, 18404, 19153, 20758, 30788, 33368, 34726, 36808, 38306, 41516, 61576, 69452, 76612, 83032, 138904, 153224, 446297, 746609, 823579, 892594, 1493218, 1647158, 1785188, 1857841, 2986436, 3294316, 3570376, 3715682, 5972872, 6588632, 7431364, 14862728, 79887163, 159774326, 319548652, 639097304]

約数ペア:

[(1, 639097304), (2, 319548652), (4, 159774326), (8, 79887163), (43, 14862728), (86, 7431364), (97, 6588632), (107, 5972872), (172, 3715682), (179, 3570376), (194, 3294316), (214, 2986436), (344, 1857841), (358, 1785188), (388, 1647158), (428, 1493218), (716, 892594), (776, 823579), (856, 746609), (1432, 446297), (4171, 153224), (4601, 138904), (7697, 83032), (8342, 76612), (9202, 69452), (10379, 61576), (15394, 41516), (16684, 38306), (17363, 36808), (18404, 34726), (19153, 33368), (20758, 30788)]