17402005

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 22823424

約数和(自身を除く): 5421419

約数列:

[1, 5, 19, 31, 95, 155, 311, 361, 589, 1555, 1805, 2945, 5909, 9641, 11191, 29545, 48205, 55955, 112271, 183179, 561355, 915895, 3480401, 17402005]

約数ペア:

[(1, 17402005), (5, 3480401), (19, 915895), (31, 561355), (95, 183179), (155, 112271), (311, 55955), (361, 48205), (589, 29545), (1555, 11191), (1805, 9641), (2945, 5909)]