261245348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2591}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 564931584

約数和(自身を除く): 303686236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 277, 364, 554, 1108, 1939, 2591, 3601, 3878, 5182, 7202, 7756, 10364, 14404, 18137, 25207, 33683, 36274, 50414, 67366, 72548, 100828, 134732, 235781, 471562, 717707, 943124, 1435414, 2870828, 5023949, 9330191, 10047898, 18660382, 20095796, 37320764, 65311337, 130622674, 261245348]

約数ペア:

[(1, 261245348), (2, 130622674), (4, 65311337), (7, 37320764), (13, 20095796), (14, 18660382), (26, 10047898), (28, 9330191), (52, 5023949), (91, 2870828), (182, 1435414), (277, 943124), (364, 717707), (554, 471562), (1108, 235781), (1939, 134732), (2591, 100828), (3601, 72548), (3878, 67366), (5182, 50414), (7202, 36274), (7756, 33683), (10364, 25207), (14404, 18137)]