261720104

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{4649}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 508896000

約数和(自身を除く): 247175896

約数列:

[1, 2, 4, 8, 31, 62, 124, 227, 248, 454, 908, 1816, 4649, 7037, 9298, 14074, 18596, 28148, 37192, 56296, 144119, 288238, 576476, 1055323, 1152952, 2110646, 4221292, 8442584, 32715013, 65430026, 130860052, 261720104]

約数ペア:

[(1, 261720104), (2, 130860052), (4, 65430026), (8, 32715013), (31, 8442584), (62, 4221292), (124, 2110646), (227, 1152952), (248, 1055323), (454, 576476), (908, 288238), (1816, 144119), (4649, 56296), (7037, 37192), (9298, 28148), (14074, 18596)]