161780848

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{138511}}^1$

素因数の和:138592

約数の個数: 20

約数和(自身を含む): 317746528

約数和(自身を除く): 155965680

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 138511, 277022, 554044, 1108088, 2216176, 10111303, 20222606, 40445212, 80890424, 161780848]

約数ペア:

[(1, 161780848), (2, 80890424), (4, 40445212), (8, 20222606), (16, 10111303), (73, 2216176), (146, 1108088), (292, 554044), (584, 277022), (1168, 138511)]