1971812

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 3592512

約数和(自身を除く): 1620700

約数列:

[1, 2, 4, 53, 71, 106, 131, 142, 212, 262, 284, 524, 3763, 6943, 7526, 9301, 13886, 15052, 18602, 27772, 37204, 492953, 985906, 1971812]

約数ペア:

[(1, 1971812), (2, 985906), (4, 492953), (53, 37204), (71, 27772), (106, 18602), (131, 15052), (142, 13886), (212, 9301), (262, 7526), (284, 6943), (524, 3763)]