25691919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12763}}^1$

素因数の和:12838

約数の個数: 16

約数和(自身を含む): 37985664

約数和(自身を除く): 12293745

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 12763, 38289, 140393, 421179, 778543, 2335629, 8563973, 25691919]

約数ペア:

[(1, 25691919), (3, 8563973), (11, 2335629), (33, 778543), (61, 421179), (183, 140393), (671, 38289), (2013, 12763)]