256859306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{220291}}^1$

素因数の和:220357

約数の個数: 16

約数和(自身を含む): 428247648

約数和(自身を除く): 171388342

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 220291, 440582, 2423201, 4846402, 11675423, 23350846, 128429653, 256859306]

約数ペア:

[(1, 256859306), (2, 128429653), (11, 23350846), (22, 11675423), (53, 4846402), (106, 2423201), (583, 440582), (1166, 220291)]