639881090

素因数分解:

$2^1\times 5^1\times {\mathrm{7109}}^1\times {\mathrm{9001}}^1$

素因数の和:16117

約数の個数: 16

約数和(自身を含む): 1152075960

約数和(自身を除く): 512194870

約数列:

[1, 2, 5, 10, 7109, 9001, 14218, 18002, 35545, 45005, 71090, 90010, 63988109, 127976218, 319940545, 639881090]

約数ペア:

[(1, 639881090), (2, 319940545), (5, 127976218), (10, 63988109), (7109, 90010), (9001, 71090), (14218, 45005), (18002, 35545)]