28333655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 13000105

約数列:

[1, 5, 7, 19, 35, 95, 133, 137, 311, 665, 685, 959, 1555, 2177, 2603, 4795, 5909, 10885, 13015, 18221, 29545, 41363, 42607, 91105, 206815, 213035, 298249, 809533, 1491245, 4047665, 5666731, 28333655]

約数ペア:

[(1, 28333655), (5, 5666731), (7, 4047665), (19, 1491245), (35, 809533), (95, 298249), (133, 213035), (137, 206815), (311, 91105), (665, 42607), (685, 41363), (959, 29545), (1555, 18221), (2177, 13015), (2603, 10885), (4795, 5909)]