78909131

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 91897344

約数和(自身を除く): 12988213

約数列:

[1, 7, 73, 307, 503, 511, 2149, 3521, 22411, 36719, 154421, 156877, 257033, 1080947, 11272733, 78909131]

約数ペア:

[(1, 78909131), (7, 11272733), (73, 1080947), (307, 257033), (503, 156877), (511, 154421), (2149, 36719), (3521, 22411)]