247880248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{402403}}^1$

素因数の和:402427

約数の個数: 32

約数和(自身を含む): 579461760

約数和(自身を除く): 331581512

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 402403, 804806, 1609612, 2816821, 3219224, 4426433, 5633642, 8852866, 11267284, 17705732, 22534568, 30985031, 35411464, 61970062, 123940124, 247880248]

約数ペア:

[(1, 247880248), (2, 123940124), (4, 61970062), (7, 35411464), (8, 30985031), (11, 22534568), (14, 17705732), (22, 11267284), (28, 8852866), (44, 5633642), (56, 4426433), (77, 3219224), (88, 2816821), (154, 1609612), (308, 804806), (616, 402403)]