40388878

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 61316640

約数和(自身を除く): 20927762

約数列:

[1, 2, 157, 293, 314, 439, 586, 878, 46001, 68923, 92002, 128627, 137846, 257254, 20194439, 40388878]

約数ペア:

[(1, 40388878), (2, 20194439), (157, 257254), (293, 137846), (314, 128627), (439, 92002), (586, 68923), (878, 46001)]