1285395517

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{251201}}^1$

素因数の和:251268

約数の個数: 16

約数和(自身を含む): 1591615872

約数和(自身を除く): 306220355

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 251201, 1758407, 4270417, 10801643, 29892919, 75611501, 183627931, 1285395517]

約数ペア:

[(1, 1285395517), (7, 183627931), (17, 75611501), (43, 29892919), (119, 10801643), (301, 4270417), (731, 1758407), (5117, 251201)]