680704222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{39719}}^1$

素因数の和:39792

約数の個数: 32

約数和(自身を含む): 1201132800

約数和(自身を除く): 520428578

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1558, 8569, 17138, 39719, 79438, 436909, 754661, 873818, 1509322, 1628479, 3256958, 8301271, 16602542, 17913269, 30941101, 35826538, 61882202, 340352111, 680704222]

約数ペア:

[(1, 680704222), (2, 340352111), (11, 61882202), (19, 35826538), (22, 30941101), (38, 17913269), (41, 16602542), (82, 8301271), (209, 3256958), (418, 1628479), (451, 1509322), (779, 873818), (902, 754661), (1558, 436909), (8569, 79438), (17138, 39719)]