6987425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 9421272

約数和(自身を除く): 2433847

約数列:

[1, 5, 17, 25, 41, 85, 205, 401, 425, 697, 1025, 2005, 3485, 6817, 10025, 16441, 17425, 34085, 82205, 170425, 279497, 411025, 1397485, 6987425]

約数ペア:

[(1, 6987425), (5, 1397485), (17, 411025), (25, 279497), (41, 170425), (85, 82205), (205, 34085), (401, 17425), (425, 16441), (697, 10025), (1025, 6817), (2005, 3485)]