208435825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{7727}}^1$

素因数の和:7833

約数の個数: 24

約数和(自身を含む): 281731968

約数和(自身を除く): 73296143

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 5395, 7727, 26975, 38635, 100451, 193175, 502255, 641341, 2511275, 3206705, 8337433, 16033525, 41687165, 208435825]

約数ペア:

[(1, 208435825), (5, 41687165), (13, 16033525), (25, 8337433), (65, 3206705), (83, 2511275), (325, 641341), (415, 502255), (1079, 193175), (2075, 100451), (5395, 38635), (7727, 26975)]