211571256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 610182720

約数和(自身を除く): 398611464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 113, 136, 156, 204, 221, 226, 312, 339, 353, 408, 442, 452, 663, 678, 706, 884, 904, 1059, 1326, 1356, 1412, 1469, 1768, 1921, 2118, 2652, 2712, 2824, 2938, 3842, 4236, 4407, 4589, 5304, 5763, 5876, 6001, 7684, 8472, 8814, 9178, 11526, 11752, 12002, 13767, 15368, 17628, 18003, 18356, 23052, 24004, 24973, 27534, 35256, 36006, 36712, 39889, 46104, 48008, 49946, 55068, 72012, 74919, 78013, 79778, 99892, 110136, 119667, 144024, 149838, 156026, 159556, 199784, 234039, 239334, 299676, 312052, 319112, 468078, 478668, 518557, 599352, 624104, 678113, 936156, 957336, 1037114, 1356226, 1555671, 1872312, 2034339, 2074228, 2712452, 3111342, 4068678, 4148456, 5424904, 6222684, 8137356, 8815469, 12445368, 16274712, 17630938, 26446407, 35261876, 52892814, 70523752, 105785628, 211571256]

約数ペア:

[(1, 211571256), (2, 105785628), (3, 70523752), (4, 52892814), (6, 35261876), (8, 26446407), (12, 17630938), (13, 16274712), (17, 12445368), (24, 8815469), (26, 8137356), (34, 6222684), (39, 5424904), (51, 4148456), (52, 4068678), (68, 3111342), (78, 2712452), (102, 2074228), (104, 2034339), (113, 1872312), (136, 1555671), (156, 1356226), (204, 1037114), (221, 957336), (226, 936156), (312, 678113), (339, 624104), (353, 599352), (408, 518557), (442, 478668), (452, 468078), (663, 319112), (678, 312052), (706, 299676), (884, 239334), (904, 234039), (1059, 199784), (1326, 159556), (1356, 156026), (1412, 149838), (1469, 144024), (1768, 119667), (1921, 110136), (2118, 99892), (2652, 79778), (2712, 78013), (2824, 74919), (2938, 72012), (3842, 55068), (4236, 49946), (4407, 48008), (4589, 46104), (5304, 39889), (5763, 36712), (5876, 36006), (6001, 35256), (7684, 27534), (8472, 24973), (8814, 24004), (9178, 23052), (11526, 18356), (11752, 18003), (12002, 17628), (13767, 15368)]