1311056

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1298

約数の個数: 20

約数和(自身を含む): 2580192

約数和(自身を除く): 1269136

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 1223, 2446, 4892, 9784, 19568, 81941, 163882, 327764, 655528, 1311056]

約数ペア:

[(1, 1311056), (2, 655528), (4, 327764), (8, 163882), (16, 81941), (67, 19568), (134, 9784), (268, 4892), (536, 2446), (1072, 1223)]