39986996

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7477}}^1$

素因数の和:7679

約数の個数: 24

約数和(自身を含む): 80403456

約数和(自身を除く): 40416460

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 7477, 14954, 29908, 52339, 104678, 209356, 1428107, 2856214, 5712428, 9996749, 19993498, 39986996]

約数ペア:

[(1, 39986996), (2, 19993498), (4, 9996749), (7, 5712428), (14, 2856214), (28, 1428107), (191, 209356), (382, 104678), (764, 52339), (1337, 29908), (2674, 14954), (5348, 7477)]