391862009

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{293}}^1\times {\mathrm{1579}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 494249280

約数和(自身を除く): 102387271

約数列:

[1, 7, 11, 77, 121, 293, 847, 1579, 2051, 3223, 11053, 17369, 22561, 35453, 121583, 191059, 248171, 462647, 1337413, 3238529, 5089117, 35623819, 55980287, 391862009]

約数ペア:

[(1, 391862009), (7, 55980287), (11, 35623819), (77, 5089117), (121, 3238529), (293, 1337413), (847, 462647), (1579, 248171), (2051, 191059), (3223, 121583), (11053, 35453), (17369, 22561)]