247290421

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{1787}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 288883584

約数和(自身を除く): 41593163

約数列:

[1, 7, 53, 371, 373, 1787, 2611, 12509, 19769, 94711, 138383, 662977, 666551, 4665857, 35327203, 247290421]

約数ペア:

[(1, 247290421), (7, 35327203), (53, 4665857), (371, 666551), (373, 662977), (1787, 138383), (2611, 94711), (12509, 19769)]