256907825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7283}}^1$

素因数の和:7393

約数の個数: 24

約数和(自身を含む): 341415648

約数和(自身を除く): 84507823

約数列:

[1, 5, 17, 25, 83, 85, 415, 425, 1411, 2075, 7055, 7283, 35275, 36415, 123811, 182075, 604489, 619055, 3022445, 3095275, 10276313, 15112225, 51381565, 256907825]

約数ペア:

[(1, 256907825), (5, 51381565), (17, 15112225), (25, 10276313), (83, 3095275), (85, 3022445), (415, 619055), (425, 604489), (1411, 182075), (2075, 123811), (7055, 36415), (7283, 35275)]