2978668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 6854400

約数和(自身を除く): 3875732

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 509, 532, 836, 1018, 1463, 2036, 2926, 3563, 5599, 5852, 7126, 9671, 11198, 14252, 19342, 22396, 38684, 39193, 67697, 78386, 106381, 135394, 156772, 212762, 270788, 425524, 744667, 1489334, 2978668]

約数ペア:

[(1, 2978668), (2, 1489334), (4, 744667), (7, 425524), (11, 270788), (14, 212762), (19, 156772), (22, 135394), (28, 106381), (38, 78386), (44, 67697), (76, 39193), (77, 38684), (133, 22396), (154, 19342), (209, 14252), (266, 11198), (308, 9671), (418, 7126), (509, 5852), (532, 5599), (836, 3563), (1018, 2926), (1463, 2036)]