681261661925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{149867}}^1$

素因数の和:150158

約数の個数: 48

約数和(自身を含む): 927248902272

約数和(自身を除く): 245987240347

約数列:

[1, 5, 13, 25, 65, 71, 197, 325, 355, 923, 985, 1775, 2561, 4615, 4925, 12805, 13987, 23075, 64025, 69935, 149867, 181831, 349675, 749335, 909155, 1948271, 3746675, 4545775, 9741355, 10640557, 29523799, 48706775, 53202785, 138327241, 147618995, 266013925, 383809387, 691636205, 738094975, 1919046935, 2096189729, 3458181025, 9595234675, 10480948645, 27250466477, 52404743225, 136252332385, 681261661925]

約数ペア:

[(1, 681261661925), (5, 136252332385), (13, 52404743225), (25, 27250466477), (65, 10480948645), (71, 9595234675), (197, 3458181025), (325, 2096189729), (355, 1919046935), (923, 738094975), (985, 691636205), (1775, 383809387), (2561, 266013925), (4615, 147618995), (4925, 138327241), (12805, 53202785), (13987, 48706775), (23075, 29523799), (64025, 10640557), (69935, 9741355), (149867, 4545775), (181831, 3746675), (349675, 1948271), (749335, 909155)]