172970825

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 218176512

約数和(自身を除く): 45205687

約数列:

[1, 5, 25, 127, 157, 347, 635, 785, 1735, 3175, 3925, 8675, 19939, 44069, 54479, 99695, 220345, 272395, 498475, 1101725, 1361975, 6918833, 34594165, 172970825]

約数ペア:

[(1, 172970825), (5, 34594165), (25, 6918833), (127, 1361975), (157, 1101725), (347, 498475), (635, 272395), (785, 220345), (1735, 99695), (3175, 54479), (3925, 44069), (8675, 19939)]