138955817

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 190444800

約数和(自身を除く): 51488983

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 637, 1001, 2833, 3773, 4459, 7007, 19831, 31163, 36829, 49049, 138817, 218141, 257803, 405119, 971719, 1526987, 1804621, 2835833, 10688909, 12632347, 19850831, 138955817]

約数ペア:

[(1, 138955817), (7, 19850831), (11, 12632347), (13, 10688909), (49, 2835833), (77, 1804621), (91, 1526987), (143, 971719), (343, 405119), (539, 257803), (637, 218141), (1001, 138817), (2833, 49049), (3773, 36829), (4459, 31163), (7007, 19831)]