259730009

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 332573952

約数和(自身を除く): 72843943

約数列:

[1, 7, 11, 61, 77, 121, 427, 457, 671, 847, 1331, 3199, 4697, 5027, 7381, 9317, 27877, 35189, 51667, 55297, 81191, 195139, 306647, 387079, 568337, 608267, 2146529, 3373117, 4257869, 23611819, 37104287, 259730009]

約数ペア:

[(1, 259730009), (7, 37104287), (11, 23611819), (61, 4257869), (77, 3373117), (121, 2146529), (427, 608267), (457, 568337), (671, 387079), (847, 306647), (1331, 195139), (3199, 81191), (4697, 55297), (5027, 51667), (7381, 35189), (9317, 27877)]