257966835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{22961}}^1$

素因数の和:23083

約数の個数: 32

約数和(自身を含む): 476140032

約数和(自身を除く): 218173197

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 2247, 3745, 11235, 22961, 68883, 114805, 160727, 344415, 482181, 803635, 2410905, 2456827, 7370481, 12284135, 17197789, 36852405, 51593367, 85988945, 257966835]

約数ペア:

[(1, 257966835), (3, 85988945), (5, 51593367), (7, 36852405), (15, 17197789), (21, 12284135), (35, 7370481), (105, 2456827), (107, 2410905), (321, 803635), (535, 482181), (749, 344415), (1605, 160727), (2247, 114805), (3745, 68883), (11235, 22961)]