420552145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 554601600

約数和(自身を除く): 134049455

約数列:

[1, 5, 13, 65, 89, 139, 445, 523, 695, 1157, 1807, 2615, 5785, 6799, 9035, 12371, 33995, 46547, 61855, 72697, 160823, 232735, 363485, 605111, 804115, 945061, 3025555, 4725305, 6470033, 32350165, 84110429, 420552145]

約数ペア:

[(1, 420552145), (5, 84110429), (13, 32350165), (65, 6470033), (89, 4725305), (139, 3025555), (445, 945061), (523, 804115), (695, 605111), (1157, 363485), (1807, 232735), (2615, 160823), (5785, 72697), (6799, 61855), (9035, 46547), (12371, 33995)]