28001694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{666707}}^1$

素因数の和:666719

約数の個数: 16

約数和(自身を含む): 64003968

約数和(自身を除く): 36002274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 666707, 1333414, 2000121, 4000242, 4666949, 9333898, 14000847, 28001694]

約数ペア:

[(1, 28001694), (2, 14000847), (3, 9333898), (6, 4666949), (7, 4000242), (14, 2000121), (21, 1333414), (42, 666707)]