64919752

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{19841}}^1$

素因数の和:20256

約数の個数: 16

約数和(自身を含む): 122028300

約数和(自身を除く): 57108548

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 19841, 39682, 79364, 158728, 8114969, 16229938, 32459876, 64919752]

約数ペア:

[(1, 64919752), (2, 32459876), (4, 16229938), (8, 8114969), (409, 158728), (818, 79364), (1636, 39682), (3272, 19841)]