2109646

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 4268160

約数和(自身を除く): 2158514

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 103, 133, 154, 206, 209, 266, 418, 539, 721, 931, 1078, 1133, 1442, 1463, 1862, 1957, 2266, 2926, 3914, 5047, 7931, 10094, 10241, 13699, 15862, 20482, 21527, 27398, 43054, 55517, 95893, 111034, 150689, 191786, 301378, 1054823, 2109646]

約数ペア:

[(1, 2109646), (2, 1054823), (7, 301378), (11, 191786), (14, 150689), (19, 111034), (22, 95893), (38, 55517), (49, 43054), (77, 27398), (98, 21527), (103, 20482), (133, 15862), (154, 13699), (206, 10241), (209, 10094), (266, 7931), (418, 5047), (539, 3914), (721, 2926), (931, 2266), (1078, 1957), (1133, 1862), (1442, 1463)]