156786556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{3121}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 289346960

約数和(自身を除く): 132560404

約数列:

[1, 2, 4, 19, 38, 76, 661, 1322, 2644, 3121, 6242, 12484, 12559, 25118, 50236, 59299, 118598, 237196, 2062981, 4125962, 8251924, 39196639, 78393278, 156786556]

約数ペア:

[(1, 156786556), (2, 78393278), (4, 39196639), (19, 8251924), (38, 4125962), (76, 2062981), (661, 237196), (1322, 118598), (2644, 59299), (3121, 50236), (6242, 25118), (12484, 12559)]