81257462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{284117}}^1$

素因数の和:284143

約数の個数: 16

約数和(自身を含む): 143195472

約数和(自身を除く): 61938010

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 284117, 568234, 3125287, 3693521, 6250574, 7387042, 40628731, 81257462]

約数ペア:

[(1, 81257462), (2, 40628731), (11, 7387042), (13, 6250574), (22, 3693521), (26, 3125287), (143, 568234), (286, 284117)]