138667004

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 283449600

約数和(自身を除く): 144782596

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 179, 292, 358, 379, 511, 716, 758, 1022, 1253, 1516, 2044, 2506, 2653, 5012, 5306, 10612, 13067, 26134, 27667, 52268, 55334, 67841, 91469, 110668, 135682, 182938, 193669, 271364, 365876, 387338, 474887, 774676, 949774, 1899548, 4952393, 9904786, 19809572, 34666751, 69333502, 138667004]

約数ペア:

[(1, 138667004), (2, 69333502), (4, 34666751), (7, 19809572), (14, 9904786), (28, 4952393), (73, 1899548), (146, 949774), (179, 774676), (292, 474887), (358, 387338), (379, 365876), (511, 271364), (716, 193669), (758, 182938), (1022, 135682), (1253, 110668), (1516, 91469), (2044, 67841), (2506, 55334), (2653, 52268), (5012, 27667), (5306, 26134), (10612, 13067)]