51271856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{29399}}^1$

素因数の和:29516

約数の個数: 20

約数和(自身を含む): 100254000

約数和(自身を除く): 48982144

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 29399, 58798, 117596, 235192, 470384, 3204491, 6408982, 12817964, 25635928, 51271856]

約数ペア:

[(1, 51271856), (2, 25635928), (4, 12817964), (8, 6408982), (16, 3204491), (109, 470384), (218, 235192), (436, 117596), (872, 58798), (1744, 29399)]