251489196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{997973}}^1$

素因数の和:997990

約数の個数: 36

約数和(自身を含む): 726525072

約数和(自身を除く): 475035876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 997973, 1995946, 2993919, 3991892, 5987838, 6985811, 8981757, 11975676, 13971622, 17963514, 20957433, 27943244, 35927028, 41914866, 62872299, 83829732, 125744598, 251489196]

約数ペア:

[(1, 251489196), (2, 125744598), (3, 83829732), (4, 62872299), (6, 41914866), (7, 35927028), (9, 27943244), (12, 20957433), (14, 17963514), (18, 13971622), (21, 11975676), (28, 8981757), (36, 6985811), (42, 5987838), (63, 3991892), (84, 2993919), (126, 1995946), (252, 997973)]