81340028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{264091}}^1$

素因数の和:264113

約数の個数: 24

約数和(自身を含む): 177469824

約数和(自身を除く): 96129796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 264091, 528182, 1056364, 1848637, 2905001, 3697274, 5810002, 7394548, 11620004, 20335007, 40670014, 81340028]

約数ペア:

[(1, 81340028), (2, 40670014), (4, 20335007), (7, 11620004), (11, 7394548), (14, 5810002), (22, 3697274), (28, 2905001), (44, 1848637), (77, 1056364), (154, 528182), (308, 264091)]