15871289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 19507200

約数和(自身を除く): 3635911

約数列:

[1, 7, 19, 47, 133, 329, 893, 2539, 6251, 17773, 48241, 119333, 337687, 835331, 2267327, 15871289]

約数ペア:

[(1, 15871289), (7, 2267327), (19, 835331), (47, 337687), (133, 119333), (329, 48241), (893, 17773), (2539, 6251)]