27721316

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 30231964

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 217, 218, 293, 434, 436, 586, 763, 868, 1172, 1526, 2051, 3052, 3379, 4102, 6758, 8204, 9083, 13516, 18166, 23653, 31937, 36332, 47306, 63581, 63874, 94612, 127162, 127748, 223559, 254324, 447118, 894236, 990047, 1980094, 3960188, 6930329, 13860658, 27721316]

約数ペア:

[(1, 27721316), (2, 13860658), (4, 6930329), (7, 3960188), (14, 1980094), (28, 990047), (31, 894236), (62, 447118), (109, 254324), (124, 223559), (217, 127748), (218, 127162), (293, 94612), (434, 63874), (436, 63581), (586, 47306), (763, 36332), (868, 31937), (1172, 23653), (1526, 18166), (2051, 13516), (3052, 9083), (3379, 8204), (4102, 6758)]