81947968

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 56

約数和(自身を含む): 170992800

約数和(自身を除く): 89044832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 67, 116, 134, 232, 268, 464, 536, 659, 928, 1072, 1318, 1856, 1943, 2144, 2636, 3886, 4288, 5272, 7772, 10544, 15544, 19111, 21088, 31088, 38222, 42176, 44153, 62176, 76444, 88306, 124352, 152888, 176612, 305776, 353224, 611552, 706448, 1223104, 1280437, 1412896, 2560874, 2825792, 5121748, 10243496, 20486992, 40973984, 81947968]

約数ペア:

[(1, 81947968), (2, 40973984), (4, 20486992), (8, 10243496), (16, 5121748), (29, 2825792), (32, 2560874), (58, 1412896), (64, 1280437), (67, 1223104), (116, 706448), (134, 611552), (232, 353224), (268, 305776), (464, 176612), (536, 152888), (659, 124352), (928, 88306), (1072, 76444), (1318, 62176), (1856, 44153), (1943, 42176), (2144, 38222), (2636, 31088), (3886, 21088), (4288, 19111), (5272, 15544), (7772, 10544)]