40319678

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{4357}}^1$

素因数の和:5027

約数の個数: 16

約数和(自身を含む): 69239904

約数和(自身を除く): 28920226

約数列:

[1, 2, 7, 14, 661, 1322, 4357, 4627, 8714, 9254, 30499, 60998, 2879977, 5759954, 20159839, 40319678]

約数ペア:

[(1, 40319678), (2, 20159839), (7, 5759954), (14, 2879977), (661, 60998), (1322, 30499), (4357, 9254), (4627, 8714)]