131119820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504307}}^1$

素因数の和:504329

約数の個数: 24

約数和(自身を含む): 296533104

約数和(自身を除く): 165413284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 504307, 1008614, 2017228, 2521535, 5043070, 6555991, 10086140, 13111982, 26223964, 32779955, 65559910, 131119820]

約数ペア:

[(1, 131119820), (2, 65559910), (4, 32779955), (5, 26223964), (10, 13111982), (13, 10086140), (20, 6555991), (26, 5043070), (52, 2521535), (65, 2017228), (130, 1008614), (260, 504307)]