399345254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 780019200

約数和(自身を除く): 380673946

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 121, 154, 203, 242, 319, 406, 638, 739, 847, 1331, 1478, 1694, 2233, 2662, 3509, 4466, 5173, 7018, 8129, 9317, 10346, 16258, 18634, 21431, 24563, 38599, 42862, 49126, 56903, 77198, 89419, 113806, 150017, 178838, 235741, 270193, 300034, 471482, 540386, 625933, 983609, 1251866, 1650187, 1967218, 2593151, 3300374, 5186302, 6885263, 13770526, 18152057, 28524661, 36304114, 57049322, 199672627, 399345254]

約数ペア:

[(1, 399345254), (2, 199672627), (7, 57049322), (11, 36304114), (14, 28524661), (22, 18152057), (29, 13770526), (58, 6885263), (77, 5186302), (121, 3300374), (154, 2593151), (203, 1967218), (242, 1650187), (319, 1251866), (406, 983609), (638, 625933), (739, 540386), (847, 471482), (1331, 300034), (1478, 270193), (1694, 235741), (2233, 178838), (2662, 150017), (3509, 113806), (4466, 89419), (5173, 77198), (7018, 56903), (8129, 49126), (9317, 42862), (10346, 38599), (16258, 24563), (18634, 21431)]