39989785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 55135872

約数和(自身を除く): 15146087

約数列:

[1, 5, 11, 37, 43, 55, 185, 215, 407, 457, 473, 1591, 2035, 2285, 2365, 5027, 7955, 16909, 17501, 19651, 25135, 84545, 87505, 98255, 185999, 216161, 727087, 929995, 1080805, 3635435, 7997957, 39989785]

約数ペア:

[(1, 39989785), (5, 7997957), (11, 3635435), (37, 1080805), (43, 929995), (55, 727087), (185, 216161), (215, 185999), (407, 98255), (457, 87505), (473, 84545), (1591, 25135), (2035, 19651), (2285, 17501), (2365, 16909), (5027, 7955)]