81921944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{787711}}^1$

素因数の和:787730

約数の個数: 16

約数和(自身を含む): 165419520

約数和(自身を除く): 83497576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 787711, 1575422, 3150844, 6301688, 10240243, 20480486, 40960972, 81921944]

約数ペア:

[(1, 81921944), (2, 40960972), (4, 20480486), (8, 10240243), (13, 6301688), (26, 3150844), (52, 1575422), (104, 787711)]