71890787521

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{77218891}}^1$

素因数の和:77218924

約数の個数: 12

約数和(自身を含む): 88029536880

約数和(自身を除く): 16138749359

約数列:

[1, 7, 19, 49, 133, 931, 77218891, 540532237, 1467158929, 3783725659, 10270112503, 71890787521]

約数ペア:

[(1, 71890787521), (7, 10270112503), (19, 3783725659), (49, 1467158929), (133, 540532237), (931, 77218891)]