201531316

素因数分解:

$2^2\times 7^2\times {\mathrm{1028221}}^1$

素因数の和:1028239

約数の個数: 18

約数和(自身を含む): 410260578

約数和(自身を除く): 208729262

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1028221, 2056442, 4112884, 7197547, 14395094, 28790188, 50382829, 100765658, 201531316]

約数ペア:

[(1, 201531316), (2, 100765658), (4, 50382829), (7, 28790188), (14, 14395094), (28, 7197547), (49, 4112884), (98, 2056442), (196, 1028221)]