215570894

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 412304256

約数和(自身を除く): 196733362

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 311, 539, 622, 643, 1078, 1286, 2177, 3421, 4354, 4501, 6842, 7073, 9002, 14146, 15239, 23947, 30478, 31507, 47894, 49511, 63014, 99022, 167629, 199973, 335258, 346577, 399946, 693154, 1399811, 2199703, 2799622, 4399406, 9798677, 15397921, 19597354, 30795842, 107785447, 215570894]

約数ペア:

[(1, 215570894), (2, 107785447), (7, 30795842), (11, 19597354), (14, 15397921), (22, 9798677), (49, 4399406), (77, 2799622), (98, 2199703), (154, 1399811), (311, 693154), (539, 399946), (622, 346577), (643, 335258), (1078, 199973), (1286, 167629), (2177, 99022), (3421, 63014), (4354, 49511), (4501, 47894), (6842, 31507), (7073, 30478), (9002, 23947), (14146, 15239)]