81359012

素因数分解:

$2^2\times 7^2\times {\mathrm{415097}}^1$

素因数の和:415115

約数の個数: 18

約数和(自身を含む): 165624102

約数和(自身を除く): 84265090

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 415097, 830194, 1660388, 2905679, 5811358, 11622716, 20339753, 40679506, 81359012]

約数ペア:

[(1, 81359012), (2, 40679506), (4, 20339753), (7, 11622716), (14, 5811358), (28, 2905679), (49, 1660388), (98, 830194), (196, 415097)]