81902786

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{201731}}^1$

素因数の和:201769

約数の個数: 16

約数和(自身を含む): 145247040

約数和(自身を除く): 63344254

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 201731, 403462, 1412117, 2824234, 5850199, 11700398, 40951393, 81902786]

約数ペア:

[(1, 81902786), (2, 40951393), (7, 11700398), (14, 5850199), (29, 2824234), (58, 1412117), (203, 403462), (406, 201731)]