662896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3208

約数の個数: 20

約数和(自身を含む): 1383592

約数和(自身を除く): 720696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3187, 6374, 12748, 25496, 41431, 50992, 82862, 165724, 331448, 662896]

約数ペア:

[(1, 662896), (2, 331448), (4, 165724), (8, 82862), (13, 50992), (16, 41431), (26, 25496), (52, 12748), (104, 6374), (208, 3187)]