256184464

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{39929}}^1$

素因数の和:40338

約数の個数: 20

約数和(自身を含む): 497607660

約数和(自身を除く): 241423196

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 39929, 79858, 159716, 319432, 638864, 16011529, 32023058, 64046116, 128092232, 256184464]

約数ペア:

[(1, 256184464), (2, 128092232), (4, 64046116), (8, 32023058), (16, 16011529), (401, 638864), (802, 319432), (1604, 159716), (3208, 79858), (6416, 39929)]