218534407

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 286709760

約数和(自身を除く): 68175353

約数列:

[1, 7, 13, 31, 59, 91, 101, 169, 217, 403, 413, 707, 767, 1183, 1313, 1829, 2821, 3131, 5239, 5369, 5959, 9191, 9971, 12803, 17069, 21917, 23777, 36673, 40703, 41713, 69797, 77467, 119483, 166439, 184729, 284921, 309101, 529139, 542269, 1007071, 1293103, 2163707, 2401477, 3703973, 7049497, 16810339, 31219201, 218534407]

約数ペア:

[(1, 218534407), (7, 31219201), (13, 16810339), (31, 7049497), (59, 3703973), (91, 2401477), (101, 2163707), (169, 1293103), (217, 1007071), (403, 542269), (413, 529139), (707, 309101), (767, 284921), (1183, 184729), (1313, 166439), (1829, 119483), (2821, 77467), (3131, 69797), (5239, 41713), (5369, 40703), (5959, 36673), (9191, 23777), (9971, 21917), (12803, 17069)]