86419879

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19381}}^1$

素因数の和:19415

約数の個数: 16

約数和(自身を含む): 108539200

約数和(自身を除く): 22119321

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 19381, 135667, 251953, 949669, 1763671, 6647683, 12345697, 86419879]

約数ペア:

[(1, 86419879), (7, 12345697), (13, 6647683), (49, 1763671), (91, 949669), (343, 251953), (637, 135667), (4459, 19381)]