77839730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{189853}}^1$

素因数の和:189901

約数の個数: 16

約数和(自身を含む): 143529624

約数和(自身を除く): 65689894

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 189853, 379706, 949265, 1898530, 7783973, 15567946, 38919865, 77839730]

約数ペア:

[(1, 77839730), (2, 38919865), (5, 15567946), (10, 7783973), (41, 1898530), (82, 949265), (205, 379706), (410, 189853)]