781279828

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{132241}}^1$

素因数の和:132463

約数の個数: 24

約数和(自身を含む): 1569977024

約数和(自身を除く): 788697196

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 5908, 132241, 264482, 528964, 925687, 1851374, 3702748, 27902851, 55805702, 111611404, 195319957, 390639914, 781279828]

約数ペア:

[(1, 781279828), (2, 390639914), (4, 195319957), (7, 111611404), (14, 55805702), (28, 27902851), (211, 3702748), (422, 1851374), (844, 925687), (1477, 528964), (2954, 264482), (5908, 132241)]