890373351

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 1518206976

約数和(自身を除く): 627833625

約数列:

[1, 3, 7, 17, 21, 31, 43, 51, 93, 119, 129, 217, 301, 357, 527, 651, 731, 903, 1333, 1581, 1871, 2193, 3689, 3999, 5117, 5613, 9331, 11067, 13097, 15351, 22661, 27993, 31807, 39291, 58001, 67983, 80453, 95421, 158627, 174003, 222649, 241359, 406007, 475881, 563171, 667947, 986017, 1218021, 1367701, 1689513, 2494043, 2958051, 4103103, 6902119, 7482129, 9573907, 17458301, 20706357, 28721721, 42398731, 52374903, 127196193, 296791117, 890373351]

約数ペア:

[(1, 890373351), (3, 296791117), (7, 127196193), (17, 52374903), (21, 42398731), (31, 28721721), (43, 20706357), (51, 17458301), (93, 9573907), (119, 7482129), (129, 6902119), (217, 4103103), (301, 2958051), (357, 2494043), (527, 1689513), (651, 1367701), (731, 1218021), (903, 986017), (1333, 667947), (1581, 563171), (1871, 475881), (2193, 406007), (3689, 241359), (3999, 222649), (5117, 174003), (5613, 158627), (9331, 95421), (11067, 80453), (13097, 67983), (15351, 58001), (22661, 39291), (27993, 31807)]