989718842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{43291}}^1$

素因数の和:43394

約数の個数: 32

約数和(自身を含む): 1795405824

約数和(自身を除く): 805686982

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 3266, 11431, 22862, 43291, 86582, 303037, 606074, 995693, 1991386, 3073661, 6147322, 6969851, 13939702, 21515627, 43031254, 70694203, 141388406, 494859421, 989718842]

約数ペア:

[(1, 989718842), (2, 494859421), (7, 141388406), (14, 70694203), (23, 43031254), (46, 21515627), (71, 13939702), (142, 6969851), (161, 6147322), (322, 3073661), (497, 1991386), (994, 995693), (1633, 606074), (3266, 303037), (11431, 86582), (22862, 43291)]