66658072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640943}}^1$

素因数の和:640962

約数の個数: 16

約数和(自身を含む): 134598240

約数和(自身を除く): 67940168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640943, 1281886, 2563772, 5127544, 8332259, 16664518, 33329036, 66658072]

約数ペア:

[(1, 66658072), (2, 33329036), (4, 16664518), (8, 8332259), (13, 5127544), (26, 2563772), (52, 1281886), (104, 640943)]