290713612

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{220907}}^1$

素因数の和:220965

約数の個数: 24

約数和(自身を含む): 593800704

約数和(自身を除く): 303087092

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 220907, 441814, 883628, 1546349, 3092698, 6185396, 10382629, 20765258, 41530516, 72678403, 145356806, 290713612]

約数ペア:

[(1, 290713612), (2, 145356806), (4, 72678403), (7, 41530516), (14, 20765258), (28, 10382629), (47, 6185396), (94, 3092698), (188, 1546349), (329, 883628), (658, 441814), (1316, 220907)]