1287896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 2622000

約数和(自身を除く): 1334104

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 229, 296, 458, 703, 916, 1406, 1832, 2812, 4351, 5624, 8473, 8702, 16946, 17404, 33892, 34808, 67784, 160987, 321974, 643948, 1287896]

約数ペア:

[(1, 1287896), (2, 643948), (4, 321974), (8, 160987), (19, 67784), (37, 34808), (38, 33892), (74, 17404), (76, 16946), (148, 8702), (152, 8473), (229, 5624), (296, 4351), (458, 2812), (703, 1832), (916, 1406)]