27905878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 29574314

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 143, 154, 182, 263, 286, 371, 526, 583, 689, 742, 1001, 1166, 1378, 1841, 2002, 2893, 3419, 3682, 4081, 4823, 5786, 6838, 7579, 8162, 9646, 13939, 15158, 20251, 23933, 27878, 37609, 40502, 47866, 53053, 75218, 97573, 106106, 153329, 181207, 195146, 263263, 306658, 362414, 526526, 1073303, 1268449, 1993277, 2146606, 2536898, 3986554, 13952939, 27905878]

約数ペア:

[(1, 27905878), (2, 13952939), (7, 3986554), (11, 2536898), (13, 2146606), (14, 1993277), (22, 1268449), (26, 1073303), (53, 526526), (77, 362414), (91, 306658), (106, 263263), (143, 195146), (154, 181207), (182, 153329), (263, 106106), (286, 97573), (371, 75218), (526, 53053), (583, 47866), (689, 40502), (742, 37609), (1001, 27878), (1166, 23933), (1378, 20251), (1841, 15158), (2002, 13939), (2893, 9646), (3419, 8162), (3682, 7579), (4081, 6838), (4823, 5786)]