1989968376

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{17489}}^1$

素因数の和:17940

約数の個数: 64

約数和(自身を含む): 5440089600

約数和(自身を除く): 3450121224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 431, 862, 1293, 1724, 2586, 3448, 4741, 5172, 9482, 10344, 14223, 17489, 18964, 28446, 34978, 37928, 52467, 56892, 69956, 104934, 113784, 139912, 192379, 209868, 384758, 419736, 577137, 769516, 1154274, 1539032, 2308548, 4617096, 7537759, 15075518, 22613277, 30151036, 45226554, 60302072, 82915349, 90453108, 165830698, 180906216, 248746047, 331661396, 497492094, 663322792, 994984188, 1989968376]

約数ペア:

[(1, 1989968376), (2, 994984188), (3, 663322792), (4, 497492094), (6, 331661396), (8, 248746047), (11, 180906216), (12, 165830698), (22, 90453108), (24, 82915349), (33, 60302072), (44, 45226554), (66, 30151036), (88, 22613277), (132, 15075518), (264, 7537759), (431, 4617096), (862, 2308548), (1293, 1539032), (1724, 1154274), (2586, 769516), (3448, 577137), (4741, 419736), (5172, 384758), (9482, 209868), (10344, 192379), (14223, 139912), (17489, 113784), (18964, 104934), (28446, 69956), (34978, 56892), (37928, 52467)]