2207821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 2809728

約数和(自身を除く): 601907

約数列:

[1, 7, 11, 53, 77, 371, 541, 583, 3787, 4081, 5951, 28673, 41657, 200711, 315403, 2207821]

約数ペア:

[(1, 2207821), (7, 315403), (11, 200711), (53, 41657), (77, 28673), (371, 5951), (541, 4081), (583, 3787)]