28704416041

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{30831811}}^1$

素因数の和:30831844

約数の個数: 12

約数和(自身を含む): 35148265680

約数和(自身を除く): 6443849639

約数列:

[1, 7, 19, 49, 133, 931, 30831811, 215822677, 585804409, 1510758739, 4100630863, 28704416041]

約数ペア:

[(1, 28704416041), (7, 4100630863), (19, 1510758739), (49, 585804409), (133, 215822677), (931, 30831811)]