25590891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 12044949

約数列:

[1, 3, 19, 43, 53, 57, 129, 159, 197, 591, 817, 1007, 2279, 2451, 3021, 3743, 6837, 8471, 10441, 11229, 25413, 31323, 43301, 129903, 160949, 198379, 448963, 482847, 595137, 1346889, 8530297, 25590891]

約数ペア:

[(1, 25590891), (3, 8530297), (19, 1346889), (43, 595137), (53, 482847), (57, 448963), (129, 198379), (159, 160949), (197, 129903), (591, 43301), (817, 31323), (1007, 25413), (2279, 11229), (2451, 10441), (3021, 8471), (3743, 6837)]