257159306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{70687}}^1$

素因数の和:70813

約数の個数: 16

約数和(自身を含む): 412252416

約数和(自身を除く): 155093110

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 70687, 141374, 1201679, 2403358, 7563509, 15127018, 128579653, 257159306]

約数ペア:

[(1, 257159306), (2, 128579653), (17, 15127018), (34, 7563509), (107, 2403358), (214, 1201679), (1819, 141374), (3638, 70687)]