667096688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 1425623040

約数和(自身を除く): 758526352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 71, 76, 124, 142, 152, 248, 284, 304, 496, 568, 589, 997, 1136, 1178, 1349, 1994, 2201, 2356, 2698, 3988, 4402, 4712, 5396, 7976, 8804, 9424, 10792, 15952, 17608, 18943, 21584, 30907, 35216, 37886, 41819, 61814, 70787, 75772, 83638, 123628, 141574, 151544, 167276, 247256, 283148, 303088, 334552, 494512, 566296, 587233, 669104, 1132592, 1174466, 1344953, 2194397, 2348932, 2689906, 4388794, 4697864, 5379812, 8777588, 9395728, 10759624, 17555176, 21519248, 35110352, 41693543, 83387086, 166774172, 333548344, 667096688]

約数ペア:

[(1, 667096688), (2, 333548344), (4, 166774172), (8, 83387086), (16, 41693543), (19, 35110352), (31, 21519248), (38, 17555176), (62, 10759624), (71, 9395728), (76, 8777588), (124, 5379812), (142, 4697864), (152, 4388794), (248, 2689906), (284, 2348932), (304, 2194397), (496, 1344953), (568, 1174466), (589, 1132592), (997, 669104), (1136, 587233), (1178, 566296), (1349, 494512), (1994, 334552), (2201, 303088), (2356, 283148), (2698, 247256), (3988, 167276), (4402, 151544), (4712, 141574), (5396, 123628), (7976, 83638), (8804, 75772), (9424, 70787), (10792, 61814), (15952, 41819), (17608, 37886), (18943, 35216), (21584, 30907)]