28558621

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 7638659

約数列:

[1, 7, 13, 49, 91, 107, 419, 637, 749, 1391, 2933, 5243, 5447, 9737, 20531, 38129, 44833, 68159, 266903, 313831, 582829, 2196817, 4079803, 28558621]

約数ペア:

[(1, 28558621), (7, 4079803), (13, 2196817), (49, 582829), (91, 313831), (107, 266903), (419, 68159), (637, 44833), (749, 38129), (1391, 20531), (2933, 9737), (5243, 5447)]