991042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 1636992

約数和(自身を除く): 645950

約数列:

[1, 2, 13, 26, 47, 94, 611, 811, 1222, 1622, 10543, 21086, 38117, 76234, 495521, 991042]

約数ペア:

[(1, 991042), (2, 495521), (13, 76234), (26, 38117), (47, 21086), (94, 10543), (611, 1622), (811, 1222)]