217553908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12269}}^1$

素因数の和:12328

約数の個数: 48

約数和(自身を含む): 461744640

約数和(自身を除く): 244190732

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 8866, 12269, 17732, 24538, 49076, 134959, 159497, 269918, 318994, 380339, 539836, 637988, 760678, 1521356, 1754467, 3508934, 4183729, 4944407, 7017868, 8367458, 9888814, 16734916, 19777628, 54388477, 108776954, 217553908]

約数ペア:

[(1, 217553908), (2, 108776954), (4, 54388477), (11, 19777628), (13, 16734916), (22, 9888814), (26, 8367458), (31, 7017868), (44, 4944407), (52, 4183729), (62, 3508934), (124, 1754467), (143, 1521356), (286, 760678), (341, 637988), (403, 539836), (572, 380339), (682, 318994), (806, 269918), (1364, 159497), (1612, 134959), (4433, 49076), (8866, 24538), (12269, 17732)]