16857996925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2179}}^1\times {\mathrm{4019}}^1$

素因数の和:6226

約数の個数: 48

約数和(自身を含む): 26080473600

約数和(自身を除く): 9222476675

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 2179, 4019, 10895, 15253, 20095, 23969, 28133, 44209, 54475, 76265, 100475, 119845, 140665, 167783, 221045, 309463, 381325, 599225, 703325, 838915, 1105225, 1547315, 4194575, 7736575, 8757401, 43787005, 61301807, 96331411, 218935025, 306509035, 481657055, 674319877, 1532545175, 2408285275, 3371599385, 16857996925]

約数ペア:

[(1, 16857996925), (5, 3371599385), (7, 2408285275), (11, 1532545175), (25, 674319877), (35, 481657055), (55, 306509035), (77, 218935025), (175, 96331411), (275, 61301807), (385, 43787005), (1925, 8757401), (2179, 7736575), (4019, 4194575), (10895, 1547315), (15253, 1105225), (20095, 838915), (23969, 703325), (28133, 599225), (44209, 381325), (54475, 309463), (76265, 221045), (100475, 167783), (119845, 140665)]