81017998

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1619}}^1$

素因数の和:1943

約数の個数: 16

約数和(自身を含む): 123171840

約数和(自身を除く): 42153842

約数列:

[1, 2, 131, 191, 262, 382, 1619, 3238, 25021, 50042, 212089, 309229, 424178, 618458, 40508999, 81017998]

約数ペア:

[(1, 81017998), (2, 40508999), (131, 618458), (191, 424178), (262, 309229), (382, 212089), (1619, 50042), (3238, 25021)]