256280988

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{131023}}^1$

素因数の和:131193

約数の個数: 24

約数和(自身を含む): 601662208

約数和(自身を除く): 345381220

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 131023, 262046, 393069, 524092, 786138, 1572276, 21356749, 42713498, 64070247, 85426996, 128140494, 256280988]

約数ペア:

[(1, 256280988), (2, 128140494), (3, 85426996), (4, 64070247), (6, 42713498), (12, 21356749), (163, 1572276), (326, 786138), (489, 524092), (652, 393069), (978, 262046), (1956, 131023)]