281657684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{130639}}^1$

素因数の和:130668

約数の個数: 36

約数和(自身を含む): 625504320

約数和(自身を除く): 343846636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 130639, 261278, 522556, 914473, 1437029, 1828946, 2874058, 3657892, 5748116, 6401311, 10059203, 12802622, 20118406, 25605244, 40236812, 70414421, 140828842, 281657684]

約数ペア:

[(1, 281657684), (2, 140828842), (4, 70414421), (7, 40236812), (11, 25605244), (14, 20118406), (22, 12802622), (28, 10059203), (44, 6401311), (49, 5748116), (77, 3657892), (98, 2874058), (154, 1828946), (196, 1437029), (308, 914473), (539, 522556), (1078, 261278), (2156, 130639)]