15661411204

素因数分解:

$2^2\times {\mathrm{991}}^1\times {\mathrm{3950911}}^1$

素因数の和:3951906

約数の個数: 12

約数和(自身を含む): 27435132928

約数和(自身を除く): 11773721724

約数列:

[1, 2, 4, 991, 1982, 3964, 3950911, 7901822, 15803644, 3915352801, 7830705602, 15661411204]

約数ペア:

[(1, 15661411204), (2, 7830705602), (4, 3915352801), (991, 15803644), (1982, 7901822), (3964, 3950911)]