2683639

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 3225600

約数和(自身を除く): 541961

約数列:

[1, 7, 31, 83, 149, 217, 581, 1043, 2573, 4619, 12367, 18011, 32333, 86569, 383377, 2683639]

約数ペア:

[(1, 2683639), (7, 383377), (31, 86569), (83, 32333), (149, 18011), (217, 12367), (581, 4619), (1043, 2573)]