256911842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4603}}^1$

素因数の和:4718

約数の個数: 32

約数和(自身を含む): 437564160

約数和(自身を除く): 180652318

約数列:

[1, 2, 11, 22, 43, 59, 86, 118, 473, 649, 946, 1298, 2537, 4603, 5074, 9206, 27907, 50633, 55814, 101266, 197929, 271577, 395858, 543154, 2177219, 2987347, 4354438, 5974694, 11677811, 23355622, 128455921, 256911842]

約数ペア:

[(1, 256911842), (2, 128455921), (11, 23355622), (22, 11677811), (43, 5974694), (59, 4354438), (86, 2987347), (118, 2177219), (473, 543154), (649, 395858), (946, 271577), (1298, 197929), (2537, 101266), (4603, 55814), (5074, 50633), (9206, 27907)]