257186779

素因数分解:

${\mathrm{71}}^2\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:618

約数の個数: 12

約数和(自身を含む): 263299048

約数和(自身を除く): 6112269

約数列:

[1, 71, 163, 313, 5041, 11573, 22223, 51019, 821683, 1577833, 3622349, 257186779]

約数ペア:

[(1, 257186779), (71, 3622349), (163, 1577833), (313, 821683), (5041, 51019), (11573, 22223)]