1917993805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10781}}^1$

素因数の和:10846

約数の個数: 64

約数和(自身を含む): 3130057728

約数和(自身を除く): 1212063923

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 85, 91, 115, 119, 161, 221, 299, 391, 455, 595, 805, 1105, 1495, 1547, 1955, 2093, 2737, 5083, 7735, 10465, 10781, 13685, 25415, 35581, 53905, 75467, 140153, 177905, 183277, 247963, 377335, 700765, 916385, 981071, 1239815, 1282939, 1735741, 2382601, 3223519, 4215371, 4905355, 6414695, 8678705, 11913005, 16117595, 16678207, 21076855, 22564633, 29507597, 54799823, 83391035, 112823165, 147537985, 273999115, 383598761, 1917993805]

約数ペア:

[(1, 1917993805), (5, 383598761), (7, 273999115), (13, 147537985), (17, 112823165), (23, 83391035), (35, 54799823), (65, 29507597), (85, 22564633), (91, 21076855), (115, 16678207), (119, 16117595), (161, 11913005), (221, 8678705), (299, 6414695), (391, 4905355), (455, 4215371), (595, 3223519), (805, 2382601), (1105, 1735741), (1495, 1282939), (1547, 1239815), (1955, 981071), (2093, 916385), (2737, 700765), (5083, 377335), (7735, 247963), (10465, 183277), (10781, 177905), (13685, 140153), (25415, 75467), (35581, 53905)]