81531112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{783953}}^1$

素因数の和:783972

約数の個数: 16

約数和(自身を含む): 164630340

約数和(自身を除く): 83099228

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 783953, 1567906, 3135812, 6271624, 10191389, 20382778, 40765556, 81531112]

約数ペア:

[(1, 81531112), (2, 40765556), (4, 20382778), (8, 10191389), (13, 6271624), (26, 3135812), (52, 1567906), (104, 783953)]