428477478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499391}}^1$

素因数の和:499420

約数の個数: 32

約数和(自身を含む): 1006774272

約数和(自身を除く): 578296794

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 499391, 998782, 1498173, 2996346, 5493301, 6492083, 10986602, 12984166, 16479903, 19476249, 32959806, 38952498, 71412913, 142825826, 214238739, 428477478]

約数ペア:

[(1, 428477478), (2, 214238739), (3, 142825826), (6, 71412913), (11, 38952498), (13, 32959806), (22, 19476249), (26, 16479903), (33, 12984166), (39, 10986602), (66, 6492083), (78, 5493301), (143, 2996346), (286, 1498173), (429, 998782), (858, 499391)]