78782221

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 92492928

約数和(自身を除く): 13710707

約数列:

[1, 7, 53, 131, 371, 917, 1621, 6943, 11347, 48601, 85913, 212351, 601391, 1486457, 11254603, 78782221]

約数ペア:

[(1, 78782221), (7, 11254603), (53, 1486457), (131, 601391), (371, 212351), (917, 85913), (1621, 48601), (6943, 11347)]