16156231

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1991

約数の個数: 18

約数和(自身を含む): 20361312

約数和(自身を除く): 4205081

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 1951, 8281, 13657, 25363, 95599, 177541, 329719, 1242787, 2308033, 16156231]

約数ペア:

[(1, 16156231), (7, 2308033), (13, 1242787), (49, 329719), (91, 177541), (169, 95599), (637, 25363), (1183, 13657), (1951, 8281)]