2012849995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 2764219392

約数和(自身を除く): 751369397

約数列:

[1, 5, 13, 31, 43, 65, 155, 169, 215, 403, 559, 845, 1333, 1787, 2015, 2795, 5239, 6665, 7267, 8935, 17329, 23231, 26195, 36335, 55397, 76841, 86645, 116155, 225277, 276985, 302003, 384205, 720161, 998933, 1126385, 1510015, 2382071, 3600805, 4994665, 9362093, 11910355, 12986129, 30966923, 46810465, 64930645, 154834615, 402569999, 2012849995]

約数ペア:

[(1, 2012849995), (5, 402569999), (13, 154834615), (31, 64930645), (43, 46810465), (65, 30966923), (155, 12986129), (169, 11910355), (215, 9362093), (403, 4994665), (559, 3600805), (845, 2382071), (1333, 1510015), (1787, 1126385), (2015, 998933), (2795, 720161), (5239, 384205), (6665, 302003), (7267, 276985), (8935, 225277), (17329, 116155), (23231, 86645), (26195, 76841), (36335, 55397)]