81710252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 159936000

約数和(自身を除く): 78225748

約数列:

[1, 2, 4, 13, 26, 47, 52, 67, 94, 134, 188, 268, 499, 611, 871, 998, 1222, 1742, 1996, 2444, 3149, 3484, 6298, 6487, 12596, 12974, 23453, 25948, 33433, 40937, 46906, 66866, 81874, 93812, 133732, 163748, 304889, 434629, 609778, 869258, 1219556, 1571351, 1738516, 3142702, 6285404, 20427563, 40855126, 81710252]

約数ペア:

[(1, 81710252), (2, 40855126), (4, 20427563), (13, 6285404), (26, 3142702), (47, 1738516), (52, 1571351), (67, 1219556), (94, 869258), (134, 609778), (188, 434629), (268, 304889), (499, 163748), (611, 133732), (871, 93812), (998, 81874), (1222, 66866), (1742, 46906), (1996, 40937), (2444, 33433), (3149, 25948), (3484, 23453), (6298, 12974), (6487, 12596)]