16881655

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 24597504

約数和(自身を除く): 7715849

約数列:

[1, 5, 7, 23, 35, 67, 115, 161, 313, 335, 469, 805, 1541, 1565, 2191, 2345, 7199, 7705, 10787, 10955, 20971, 35995, 50393, 53935, 104855, 146797, 251965, 482333, 733985, 2411665, 3376331, 16881655]

約数ペア:

[(1, 16881655), (5, 3376331), (7, 2411665), (23, 733985), (35, 482333), (67, 251965), (115, 146797), (161, 104855), (313, 53935), (335, 50393), (469, 35995), (805, 20971), (1541, 10955), (1565, 10787), (2191, 7705), (2345, 7199)]