140617981

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 162667008

約数和(自身を除く): 22049027

約数列:

[1, 7, 163, 251, 491, 1141, 1757, 3437, 40913, 80033, 123241, 286391, 560231, 862687, 20088283, 140617981]

約数ペア:

[(1, 140617981), (7, 20088283), (163, 862687), (251, 560231), (491, 286391), (1141, 123241), (1757, 80033), (3437, 40913)]