1285280213

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{508619}}^1$

素因数の和:508664

約数の個数: 12

約数和(自身を含む): 1550273760

約数和(自身を除く): 264993547

約数列:

[1, 7, 19, 133, 361, 2527, 508619, 3560333, 9663761, 67646327, 183611459, 1285280213]

約数ペア:

[(1, 1285280213), (7, 183611459), (19, 67646327), (133, 9663761), (361, 3560333), (2527, 508619)]