258412721

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{112207}}^1$

素因数の和:112268

約数の個数: 12

約数和(自身を含む): 307001088

約数和(自身を除く): 48588367

約数列:

[1, 7, 47, 49, 329, 2303, 112207, 785449, 5273729, 5498143, 36916103, 258412721]

約数ペア:

[(1, 258412721), (7, 36916103), (47, 5498143), (49, 5273729), (329, 785449), (2303, 112207)]