64773890

素因数分解:

$2^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{3881}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 116692920

約数和(自身を除く): 51919030

約数列:

[1, 2, 5, 10, 1669, 3338, 3881, 7762, 8345, 16690, 19405, 38810, 6477389, 12954778, 32386945, 64773890]

約数ペア:

[(1, 64773890), (2, 32386945), (5, 12954778), (10, 6477389), (1669, 38810), (3338, 19405), (3881, 16690), (7762, 8345)]