138804925

素因数分解:

$5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2039}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 197308800

約数和(自身を除く): 58503875

約数列:

[1, 5, 7, 25, 35, 175, 389, 1945, 2039, 2723, 9725, 10195, 13615, 14273, 50975, 68075, 71365, 356825, 793171, 3965855, 5552197, 19829275, 27760985, 138804925]

約数ペア:

[(1, 138804925), (5, 27760985), (7, 19829275), (25, 5552197), (35, 3965855), (175, 793171), (389, 356825), (1945, 71365), (2039, 68075), (2723, 50975), (9725, 14273), (10195, 13615)]