421994518

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 720498240

約数和(自身を除く): 298503722

約数列:

[1, 2, 11, 22, 43, 86, 107, 121, 214, 242, 379, 473, 758, 946, 1177, 2354, 4169, 4601, 5203, 8338, 9202, 10406, 12947, 16297, 25894, 32594, 40553, 45859, 50611, 81106, 91718, 101222, 179267, 358534, 446083, 556721, 892166, 1113442, 1743779, 1971937, 3487558, 3943874, 4906913, 9813826, 19181569, 38363138, 210997259, 421994518]

約数ペア:

[(1, 421994518), (2, 210997259), (11, 38363138), (22, 19181569), (43, 9813826), (86, 4906913), (107, 3943874), (121, 3487558), (214, 1971937), (242, 1743779), (379, 1113442), (473, 892166), (758, 556721), (946, 446083), (1177, 358534), (2354, 179267), (4169, 101222), (4601, 91718), (5203, 81106), (8338, 50611), (9202, 45859), (10406, 40553), (12947, 32594), (16297, 25894)]