257228534

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1\times {\mathrm{1399}}^1$

素因数の和:2167

約数の個数: 16

約数和(自身を含む): 389340000

約数和(自身を除く): 132111466

約数列:

[1, 2, 149, 298, 617, 1234, 1399, 2798, 91933, 183866, 208451, 416902, 863183, 1726366, 128614267, 257228534]

約数ペア:

[(1, 257228534), (2, 128614267), (149, 1726366), (298, 863183), (617, 416902), (1234, 208451), (1399, 183866), (2798, 91933)]