2561608

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2982392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 307, 596, 614, 1043, 1192, 1228, 2086, 2149, 2456, 4172, 4298, 8344, 8596, 17192, 45743, 91486, 182972, 320201, 365944, 640402, 1280804, 2561608]

約数ペア:

[(1, 2561608), (2, 1280804), (4, 640402), (7, 365944), (8, 320201), (14, 182972), (28, 91486), (56, 45743), (149, 17192), (298, 8596), (307, 8344), (596, 4298), (614, 4172), (1043, 2456), (1192, 2149), (1228, 2086)]