47578531

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 67032000

約数和(自身を除く): 19453469

約数列:

[1, 7, 11, 13, 29, 77, 91, 121, 143, 149, 203, 319, 377, 847, 1001, 1043, 1573, 1639, 1937, 2233, 2639, 3509, 4147, 4321, 11011, 11473, 13559, 18029, 21307, 24563, 29029, 30247, 45617, 47531, 56173, 126203, 149149, 234377, 319319, 332717, 393211, 522841, 617903, 1640639, 3659887, 4325321, 6796933, 47578531]

約数ペア:

[(1, 47578531), (7, 6796933), (11, 4325321), (13, 3659887), (29, 1640639), (77, 617903), (91, 522841), (121, 393211), (143, 332717), (149, 319319), (203, 234377), (319, 149149), (377, 126203), (847, 56173), (1001, 47531), (1043, 45617), (1573, 30247), (1639, 29029), (1937, 24563), (2233, 21307), (2639, 18029), (3509, 13559), (4147, 11473), (4321, 11011)]