256540312

素因数分解:

$2^3\times 7^1\times {\mathrm{4581077}}^1$

素因数の和:4581090

約数の個数: 16

約数和(自身を含む): 549729360

約数和(自身を除く): 293189048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4581077, 9162154, 18324308, 32067539, 36648616, 64135078, 128270156, 256540312]

約数ペア:

[(1, 256540312), (2, 128270156), (4, 64135078), (7, 36648616), (8, 32067539), (14, 18324308), (28, 9162154), (56, 4581077)]