289687636

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{78977}}^1$

素因数の和:79119

約数の個数: 24

約数和(自身を含む): 583805376

約数和(自身を除く): 294117740

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 78977, 157954, 315908, 552839, 1105678, 2211356, 10345987, 20691974, 41383948, 72421909, 144843818, 289687636]

約数ペア:

[(1, 289687636), (2, 144843818), (4, 72421909), (7, 41383948), (14, 20691974), (28, 10345987), (131, 2211356), (262, 1105678), (524, 552839), (917, 315908), (1834, 157954), (3668, 78977)]