138978623

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12479}}^1$

素因数の和:12566

約数の個数: 16

約数和(自身を含む): 166932480

約数和(自身を除く): 27953857

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 12479, 87353, 461723, 536597, 3232061, 3756179, 19854089, 138978623]

約数ペア:

[(1, 138978623), (7, 19854089), (37, 3756179), (43, 3232061), (259, 536597), (301, 461723), (1591, 87353), (11137, 12479)]