81311804

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{13763}}^1$

素因数の和:13985

約数の個数: 24

約数和(自身を含む): 163406208

約数和(自身を除く): 82094404

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 5908, 13763, 27526, 55052, 96341, 192682, 385364, 2903993, 5807986, 11615972, 20327951, 40655902, 81311804]

約数ペア:

[(1, 81311804), (2, 40655902), (4, 20327951), (7, 11615972), (14, 5807986), (28, 2903993), (211, 385364), (422, 192682), (844, 96341), (1477, 55052), (2954, 27526), (5908, 13763)]