256207816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1883881}}^1$

素因数の和:1883904

約数の個数: 16

約数和(自身を含む): 508648140

約数和(自身を除く): 252440324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1883881, 3767762, 7535524, 15071048, 32025977, 64051954, 128103908, 256207816]

約数ペア:

[(1, 256207816), (2, 128103908), (4, 64051954), (8, 32025977), (17, 15071048), (34, 7535524), (68, 3767762), (136, 1883881)]