25247404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 54880000

約数和(自身を除く): 29632596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 499, 556, 973, 998, 1807, 1946, 1996, 3493, 3614, 3892, 6487, 6986, 7228, 12649, 12974, 13972, 25298, 25948, 45409, 50596, 69361, 90818, 138722, 181636, 277444, 485527, 901693, 971054, 1803386, 1942108, 3606772, 6311851, 12623702, 25247404]

約数ペア:

[(1, 25247404), (2, 12623702), (4, 6311851), (7, 3606772), (13, 1942108), (14, 1803386), (26, 971054), (28, 901693), (52, 485527), (91, 277444), (139, 181636), (182, 138722), (278, 90818), (364, 69361), (499, 50596), (556, 45409), (973, 25948), (998, 25298), (1807, 13972), (1946, 12974), (1996, 12649), (3493, 7228), (3614, 6986), (3892, 6487)]