870855294

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 1872460800

約数和(自身を除く): 1001605506

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 239, 257, 278, 417, 478, 514, 717, 771, 834, 1434, 1542, 2363, 4063, 4369, 4726, 7089, 8126, 8738, 12189, 13107, 14178, 24378, 26214, 33221, 35723, 61423, 66442, 71446, 99663, 107169, 122846, 184269, 199326, 214338, 368538, 564757, 607291, 1044191, 1129514, 1214582, 1694271, 1821873, 2088382, 3132573, 3388542, 3643746, 6265146, 8537797, 17075594, 25613391, 51226782, 145142549, 290285098, 435427647, 870855294]

約数ペア:

[(1, 870855294), (2, 435427647), (3, 290285098), (6, 145142549), (17, 51226782), (34, 25613391), (51, 17075594), (102, 8537797), (139, 6265146), (239, 3643746), (257, 3388542), (278, 3132573), (417, 2088382), (478, 1821873), (514, 1694271), (717, 1214582), (771, 1129514), (834, 1044191), (1434, 607291), (1542, 564757), (2363, 368538), (4063, 214338), (4369, 199326), (4726, 184269), (7089, 122846), (8126, 107169), (8738, 99663), (12189, 71446), (13107, 66442), (14178, 61423), (24378, 35723), (26214, 33221)]