389614687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12941}}^1$

素因数の和:12999

約数の個数: 32

約数和(自身を含む): 536730624

約数和(自身を除く): 147115937

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 12941, 30107, 90587, 142351, 219997, 297643, 996457, 1539979, 2083501, 2419967, 3274073, 5059931, 16939769, 22918511, 35419517, 55659241, 389614687]

約数ペア:

[(1, 389614687), (7, 55659241), (11, 35419517), (17, 22918511), (23, 16939769), (77, 5059931), (119, 3274073), (161, 2419967), (187, 2083501), (253, 1539979), (391, 996457), (1309, 297643), (1771, 219997), (2737, 142351), (4301, 90587), (12941, 30107)]