158770225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{941}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 209203128

約数和(自身を除く): 50432903

約数列:

[1, 5, 17, 25, 85, 397, 425, 941, 1985, 4705, 6749, 9925, 15997, 23525, 33745, 79985, 168725, 373577, 399925, 1867885, 6350809, 9339425, 31754045, 158770225]

約数ペア:

[(1, 158770225), (5, 31754045), (17, 9339425), (25, 6350809), (85, 1867885), (397, 399925), (425, 373577), (941, 168725), (1985, 79985), (4705, 33745), (6749, 23525), (9925, 15997)]