2891327978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18774857}}^1$

素因数の和:18774877

約数の個数: 16

約数和(自身を含む): 5407159104

約数和(自身を除く): 2515831126

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 18774857, 37549714, 131423999, 206523427, 262847998, 413046854, 1445663989, 2891327978]

約数ペア:

[(1, 2891327978), (2, 1445663989), (7, 413046854), (11, 262847998), (14, 206523427), (22, 131423999), (77, 37549714), (154, 18774857)]