161780086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{9677}}^1$

素因数の和:10335

約数の個数: 16

約数和(自身を含む): 261770544

約数和(自身を除く): 99990458

約数列:

[1, 2, 13, 26, 643, 1286, 8359, 9677, 16718, 19354, 125801, 251602, 6222311, 12444622, 80890043, 161780086]

約数ペア:

[(1, 161780086), (2, 80890043), (13, 12444622), (26, 6222311), (643, 251602), (1286, 125801), (8359, 19354), (9677, 16718)]