66806831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38639}}^1$

素因数の和:38678

約数の個数: 16

約数和(自身を含む): 86553600

約数和(自身を除く): 19746769

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38639, 270473, 502307, 734141, 3516149, 5138987, 9543833, 66806831]

約数ペア:

[(1, 66806831), (7, 9543833), (13, 5138987), (19, 3516149), (91, 734141), (133, 502307), (247, 270473), (1729, 38639)]