398590925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{6211}}^1$

素因数の和:6389

約数の個数: 24

約数和(自身を含む): 526876992

約数和(自身を除く): 128286067

約数列:

[1, 5, 17, 25, 85, 151, 425, 755, 2567, 3775, 6211, 12835, 31055, 64175, 105587, 155275, 527935, 937861, 2639675, 4689305, 15943637, 23446525, 79718185, 398590925]

約数ペア:

[(1, 398590925), (5, 79718185), (17, 23446525), (25, 15943637), (85, 4689305), (151, 2639675), (425, 937861), (755, 527935), (2567, 155275), (3775, 105587), (6211, 64175), (12835, 31055)]