1668603944

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1367}}^1$

素因数の和:1758

約数の個数: 64

約数和(自身を含む): 3640412160

約数和(自身を除く): 1971808216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 307, 497, 568, 614, 994, 1228, 1367, 1988, 2149, 2456, 2734, 3976, 4298, 5468, 8596, 9569, 10936, 17192, 19138, 21797, 38276, 43594, 76552, 87188, 97057, 152579, 174376, 194114, 305158, 388228, 419669, 610316, 679399, 776456, 839338, 1220632, 1358798, 1678676, 2717596, 2937683, 3357352, 5435192, 5875366, 11750732, 23501464, 29796499, 59592998, 119185996, 208575493, 238371992, 417150986, 834301972, 1668603944]

約数ペア:

[(1, 1668603944), (2, 834301972), (4, 417150986), (7, 238371992), (8, 208575493), (14, 119185996), (28, 59592998), (56, 29796499), (71, 23501464), (142, 11750732), (284, 5875366), (307, 5435192), (497, 3357352), (568, 2937683), (614, 2717596), (994, 1678676), (1228, 1358798), (1367, 1220632), (1988, 839338), (2149, 776456), (2456, 679399), (2734, 610316), (3976, 419669), (4298, 388228), (5468, 305158), (8596, 194114), (9569, 174376), (10936, 152579), (17192, 97057), (19138, 87188), (21797, 76552), (38276, 43594)]