12591649

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 15130368

約数和(自身を除く): 2538719

約数列:

[1, 7, 23, 161, 197, 397, 1379, 2779, 4531, 9131, 31717, 63917, 78209, 547463, 1798807, 12591649]

約数ペア:

[(1, 12591649), (7, 1798807), (23, 547463), (161, 78209), (197, 63917), (397, 31717), (1379, 9131), (2779, 4531)]