40390414

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1\times {\mathrm{787}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 61728768

約数和(自身を除く): 21338354

約数列:

[1, 2, 67, 134, 383, 766, 787, 1574, 25661, 51322, 52729, 105458, 301421, 602842, 20195207, 40390414]

約数ペア:

[(1, 40390414), (2, 20195207), (67, 602842), (134, 301421), (383, 105458), (766, 52729), (787, 51322), (1574, 25661)]