258782943

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{2789}}^1$

素因数の和:3146

約数の個数: 16

約数和(自身を含む): 349129440

約数和(自身を除く): 90346497

約数列:

[1, 3, 157, 197, 471, 591, 2789, 8367, 30929, 92787, 437873, 549433, 1313619, 1648299, 86260981, 258782943]

約数ペア:

[(1, 258782943), (3, 86260981), (157, 1648299), (197, 1313619), (471, 549433), (591, 437873), (2789, 92787), (8367, 30929)]