520383115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1217}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 753016320

約数和(自身を除く): 232633205

約数列:

[1, 5, 7, 19, 35, 95, 133, 643, 665, 1217, 3215, 4501, 6085, 8519, 12217, 22505, 23123, 42595, 61085, 85519, 115615, 161861, 427595, 782531, 809305, 3912655, 5477717, 14868089, 27388585, 74340445, 104076623, 520383115]

約数ペア:

[(1, 520383115), (5, 104076623), (7, 74340445), (19, 27388585), (35, 14868089), (95, 5477717), (133, 3912655), (643, 809305), (665, 782531), (1217, 427595), (3215, 161861), (4501, 115615), (6085, 85519), (8519, 61085), (12217, 42595), (22505, 23123)]