490495621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1873}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 647654400

約数和(自身を除く): 157158779

約数列:

[1, 7, 11, 19, 77, 133, 179, 209, 1253, 1463, 1873, 1969, 3401, 13111, 13783, 20603, 23807, 35587, 37411, 144221, 249109, 261877, 335267, 391457, 2346869, 2740199, 3687937, 6370073, 25815559, 44590511, 70070803, 490495621]

約数ペア:

[(1, 490495621), (7, 70070803), (11, 44590511), (19, 25815559), (77, 6370073), (133, 3687937), (179, 2740199), (209, 2346869), (1253, 391457), (1463, 335267), (1873, 261877), (1969, 249109), (3401, 144221), (13111, 37411), (13783, 35587), (20603, 23807)]