40987018

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 62827776

約数和(自身を除く): 21840758

約数列:

[1, 2, 73, 131, 146, 262, 2143, 4286, 9563, 19126, 156439, 280733, 312878, 561466, 20493509, 40987018]

約数ペア:

[(1, 40987018), (2, 20493509), (73, 561466), (131, 312878), (146, 280733), (262, 156439), (2143, 19126), (4286, 9563)]