257029484

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{479}}^1\times {\mathrm{823}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 454056960

約数和(自身を除く): 197027476

約数列:

[1, 2, 4, 163, 326, 479, 652, 823, 958, 1646, 1916, 3292, 78077, 134149, 156154, 268298, 312308, 394217, 536596, 788434, 1576868, 64257371, 128514742, 257029484]

約数ペア:

[(1, 257029484), (2, 128514742), (4, 64257371), (163, 1576868), (326, 788434), (479, 536596), (652, 394217), (823, 312308), (958, 268298), (1646, 156154), (1916, 134149), (3292, 78077)]