640752959

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1716

約数の個数: 36

約数和(自身を含む): 832029912

約数和(自身を除く): 191276953

約数列:

[1, 7, 11, 49, 67, 77, 121, 469, 539, 737, 847, 1613, 3283, 5159, 5929, 8107, 11291, 17743, 36113, 56749, 79037, 108071, 124201, 195173, 397243, 756497, 869407, 1188781, 1366211, 5295479, 8321467, 9563477, 13076591, 58250269, 91536137, 640752959]

約数ペア:

[(1, 640752959), (7, 91536137), (11, 58250269), (49, 13076591), (67, 9563477), (77, 8321467), (121, 5295479), (469, 1366211), (539, 1188781), (737, 869407), (847, 756497), (1613, 397243), (3283, 195173), (5159, 124201), (5929, 108071), (8107, 79037), (11291, 56749), (17743, 36113)]