80631649

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{12899}}^1$

素因数の和:12972

約数の個数: 16

約数和(自身を含む): 99072000

約数和(自身を除く): 18440351

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 12899, 90293, 245081, 606253, 1715567, 4243771, 11518807, 80631649]

約数ペア:

[(1, 80631649), (7, 11518807), (19, 4243771), (47, 1715567), (133, 606253), (329, 245081), (893, 90293), (6251, 12899)]