28614859

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 9487541

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 349, 371, 689, 901, 1547, 2443, 4537, 4823, 5933, 6307, 11713, 18497, 31759, 41531, 77129, 81991, 129479, 240461, 314449, 539903, 1683227, 2201143, 4087837, 28614859]

約数ペア:

[(1, 28614859), (7, 4087837), (13, 2201143), (17, 1683227), (53, 539903), (91, 314449), (119, 240461), (221, 129479), (349, 81991), (371, 77129), (689, 41531), (901, 31759), (1547, 18497), (2443, 11713), (4537, 6307), (4823, 5933)]