78571342

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1371

約数の個数: 16

約数和(自身を含む): 119354400

約数和(自身を除く): 40783058

約数列:

[1, 2, 109, 218, 439, 821, 878, 1642, 47851, 89489, 95702, 178978, 360419, 720838, 39285671, 78571342]

約数ペア:

[(1, 78571342), (2, 39285671), (109, 720838), (218, 360419), (439, 178978), (821, 95702), (878, 89489), (1642, 47851)]