68521816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 143352720

約数和(自身を除く): 74830904

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 121, 142, 242, 284, 484, 568, 781, 968, 997, 1562, 1994, 3124, 3988, 6248, 7976, 8591, 10967, 17182, 21934, 34364, 43868, 68728, 70787, 87736, 120637, 141574, 241274, 283148, 482548, 566296, 778657, 965096, 1557314, 3114628, 6229256, 8565227, 17130454, 34260908, 68521816]

約数ペア:

[(1, 68521816), (2, 34260908), (4, 17130454), (8, 8565227), (11, 6229256), (22, 3114628), (44, 1557314), (71, 965096), (88, 778657), (121, 566296), (142, 482548), (242, 283148), (284, 241274), (484, 141574), (568, 120637), (781, 87736), (968, 70787), (997, 68728), (1562, 43868), (1994, 34364), (3124, 21934), (3988, 17182), (6248, 10967), (7976, 8591)]