664767568

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{659}}^1\times {\mathrm{941}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 1310585760

約数和(自身を除く): 645818192

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 659, 941, 1072, 1318, 1882, 2636, 3764, 5272, 7528, 10544, 15056, 44153, 63047, 88306, 126094, 176612, 252188, 353224, 504376, 620119, 706448, 1008752, 1240238, 2480476, 4960952, 9921904, 41547973, 83095946, 166191892, 332383784, 664767568]

約数ペア:

[(1, 664767568), (2, 332383784), (4, 166191892), (8, 83095946), (16, 41547973), (67, 9921904), (134, 4960952), (268, 2480476), (536, 1240238), (659, 1008752), (941, 706448), (1072, 620119), (1318, 504376), (1882, 353224), (2636, 252188), (3764, 176612), (5272, 126094), (7528, 88306), (10544, 63047), (15056, 44153)]