139640975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17293}}^1$

素因数の和:17339

約数の個数: 24

約数和(自身を含む): 193001040

約数和(自身を除く): 53360065

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 17293, 86465, 293981, 328567, 432325, 1469905, 1642835, 5585639, 7349525, 8214175, 27928195, 139640975]

約数ペア:

[(1, 139640975), (5, 27928195), (17, 8214175), (19, 7349525), (25, 5585639), (85, 1642835), (95, 1469905), (323, 432325), (425, 328567), (475, 293981), (1615, 86465), (8075, 17293)]