2012121223

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1\times {\mathrm{1583}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 2433328128

約数和(自身を除く): 421206905

約数列:

[1, 7, 19, 133, 361, 503, 1583, 2527, 3521, 9557, 11081, 30077, 66899, 181583, 210539, 571463, 796249, 1271081, 4000241, 5573743, 15128731, 105901117, 287445889, 2012121223]

約数ペア:

[(1, 2012121223), (7, 287445889), (19, 105901117), (133, 15128731), (361, 5573743), (503, 4000241), (1583, 1271081), (2527, 796249), (3521, 571463), (9557, 210539), (11081, 181583), (30077, 66899)]