81758105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3943}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 119266560

約数和(自身を除く): 37508455

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1595, 1885, 3943, 4147, 19715, 20735, 43373, 51259, 114347, 216865, 256295, 563849, 571735, 1257817, 1486511, 2819245, 6289085, 7432555, 16351621, 81758105]

約数ペア:

[(1, 81758105), (5, 16351621), (11, 7432555), (13, 6289085), (29, 2819245), (55, 1486511), (65, 1257817), (143, 571735), (145, 563849), (319, 256295), (377, 216865), (715, 114347), (1595, 51259), (1885, 43373), (3943, 20735), (4147, 19715)]