1291567338

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{440207}}^1$

素因数の和:440378

約数の個数: 24

約数和(自身を含む): 2815570368

約数和(自身を除く): 1524003030

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 440207, 880414, 1320621, 2641242, 3961863, 7923726, 71753741, 143507482, 215261223, 430522446, 645783669, 1291567338]

約数ペア:

[(1, 1291567338), (2, 645783669), (3, 430522446), (6, 215261223), (9, 143507482), (18, 71753741), (163, 7923726), (326, 3961863), (489, 2641242), (978, 1320621), (1467, 880414), (2934, 440207)]