210804808

素因数分解:

$2^3\times {\mathrm{1291}}^1\times {\mathrm{20411}}^1$

素因数の和:21708

約数の個数: 16

約数和(自身を含む): 395584560

約数和(自身を除く): 184779752

約数列:

[1, 2, 4, 8, 1291, 2582, 5164, 10328, 20411, 40822, 81644, 163288, 26350601, 52701202, 105402404, 210804808]

約数ペア:

[(1, 210804808), (2, 105402404), (4, 52701202), (8, 26350601), (1291, 163288), (2582, 81644), (5164, 40822), (10328, 20411)]